Home / 18,723,490.47-25,836,179.07-10,349,729.07

Finding the Fourth Proportional to 18,723,490.47, 25,836,179.07 and 10,349,729.07

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Solution

The fourth proportional to 18,723,490.47, 25,836,179.07 and 10,349,729.07 is: 14,281,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,490.47 : 25,836,179.07 = 10,349,729.07 : x
  2. Step 2: Convert to fraction form
    18,723,490.47/25,836,179.07 = 10,349,729.07/x
  3. Step 3: Cross multiply
    18,723,490.47x = 25,836,179.07 × 10,349,729.07
  4. Step 4: Simplify right side
    18,723,490.47x = 267,397,453,539,693.09
  5. Step 5: Solve for x
    x = 267,397,453,539,693.09/18,723,490.47
  6. Step 6: Final answer
    x = 14,281,389.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.