Home / 12,440,672.40-18,661,008.60-10,314,908.40

Finding the Fourth Proportional to 12,440,672.40, 18,661,008.60 and 10,314,908.40

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Solution

The fourth proportional to 12,440,672.40, 18,661,008.60 and 10,314,908.40 is: 15,472,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,672.40 : 18,661,008.60 = 10,314,908.40 : x
  2. Step 2: Convert to fraction form
    12,440,672.40/18,661,008.60 = 10,314,908.40/x
  3. Step 3: Cross multiply
    12,440,672.40x = 18,661,008.60 × 10,314,908.40
  4. Step 4: Simplify right side
    12,440,672.40x = 192,486,594,360,612.25
  5. Step 5: Solve for x
    x = 192,486,594,360,612.25/12,440,672.40
  6. Step 6: Final answer
    x = 15,472,362.60

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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.