Home / 28,798,837.32-39,742,399.26-15,746,105.28

Finding the Fourth Proportional to 28,798,837.32, 39,742,399.26 and 15,746,105.28

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Solution

The fourth proportional to 28,798,837.32, 39,742,399.26 and 15,746,105.28 is: 21,729,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798,837.32 : 39,742,399.26 = 15,746,105.28 : x
  2. Step 2: Convert to fraction form
    28,798,837.32/39,742,399.26 = 15,746,105.28/x
  3. Step 3: Cross multiply
    28,798,837.32x = 39,742,399.26 × 15,746,105.28
  4. Step 4: Simplify right side
    28,798,837.32x = 625,788,002,827,754
  5. Step 5: Solve for x
    x = 625,788,002,827,754/28,798,837.32
  6. Step 6: Final answer
    x = 21,729,627.34

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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.