Home / 31,404,952.47-43,332,428.07-18,349,686.36

Finding the Fourth Proportional to 31,404,952.47, 43,332,428.07 and 18,349,686.36

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Solution

The fourth proportional to 31,404,952.47, 43,332,428.07 and 18,349,686.36 is: 25,318,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,404,952.47 : 43,332,428.07 = 18,349,686.36 : x
  2. Step 2: Convert to fraction form
    31,404,952.47/43,332,428.07 = 18,349,686.36/x
  3. Step 3: Cross multiply
    31,404,952.47x = 43,332,428.07 × 18,349,686.36
  4. Step 4: Simplify right side
    31,404,952.47x = 795,136,464,301,760.12
  5. Step 5: Solve for x
    x = 795,136,464,301,760.12/31,404,952.47
  6. Step 6: Final answer
    x = 25,318,824.00

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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.