Home / 12,293,409.40-18,440,114.10-9,307,425.40

Finding the Fourth Proportional to 12,293,409.40, 18,440,114.10 and 9,307,425.40

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Solution

The fourth proportional to 12,293,409.40, 18,440,114.10 and 9,307,425.40 is: 13,961,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,409.40 : 18,440,114.10 = 9,307,425.40 : x
  2. Step 2: Convert to fraction form
    12,293,409.40/18,440,114.10 = 9,307,425.40/x
  3. Step 3: Cross multiply
    12,293,409.40x = 18,440,114.10 × 9,307,425.40
  4. Step 4: Simplify right side
    12,293,409.40x = 171,629,986,353,238.16
  5. Step 5: Solve for x
    x = 171,629,986,353,238.16/12,293,409.40
  6. Step 6: Final answer
    x = 13,961,138.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.