Home / 28,602,528.25-39,471,938.09-15,549,837.02

Finding the Fourth Proportional to 28,602,528.25, 39,471,938.09 and 15,549,837.02

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Solution

The fourth proportional to 28,602,528.25, 39,471,938.09 and 15,549,837.02 is: 21,459,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602,528.25 : 39,471,938.09 = 15,549,837.02 : x
  2. Step 2: Convert to fraction form
    28,602,528.25/39,471,938.09 = 15,549,837.02/x
  3. Step 3: Cross multiply
    28,602,528.25x = 39,471,938.09 × 15,549,837.02
  4. Step 4: Simplify right side
    28,602,528.25x = 613,782,204,163,030.12
  5. Step 5: Solve for x
    x = 613,782,204,163,030.12/28,602,528.25
  6. Step 6: Final answer
    x = 21,459,019.24

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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.