Home / 15,535,254.06-21,428,646.39-10,308,149.10

Finding the Fourth Proportional to 15,535,254.06, 21,428,646.39 and 10,308,149.10

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Solution

The fourth proportional to 15,535,254.06, 21,428,646.39 and 10,308,149.10 is: 14,218,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535,254.06 : 21,428,646.39 = 10,308,149.10 : x
  2. Step 2: Convert to fraction form
    15,535,254.06/21,428,646.39 = 10,308,149.10/x
  3. Step 3: Cross multiply
    15,535,254.06x = 21,428,646.39 × 10,308,149.10
  4. Step 4: Simplify right side
    15,535,254.06x = 220,889,681,999,296.75
  5. Step 5: Solve for x
    x = 220,889,681,999,296.75/15,535,254.06
  6. Step 6: Final answer
    x = 14,218,607.64

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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.