Home / 12,024,005.40-18,036,008.10-11,315,417.40

Finding the Fourth Proportional to 12,024,005.40, 18,036,008.10 and 11,315,417.40

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Solution

The fourth proportional to 12,024,005.40, 18,036,008.10 and 11,315,417.40 is: 16,973,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024,005.40 : 18,036,008.10 = 11,315,417.40 : x
  2. Step 2: Convert to fraction form
    12,024,005.40/18,036,008.10 = 11,315,417.40/x
  3. Step 3: Cross multiply
    12,024,005.40x = 18,036,008.10 × 11,315,417.40
  4. Step 4: Simplify right side
    12,024,005.40x = 204,084,959,881,280.97
  5. Step 5: Solve for x
    x = 204,084,959,881,280.97/12,024,005.40
  6. Step 6: Final answer
    x = 16,973,126.10

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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.