Home / 39,367,636.40-54,330,419.56-21,730,041.16

Finding the Fourth Proportional to 39,367,636.40, 54,330,419.56 and 21,730,041.16

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Solution

The fourth proportional to 39,367,636.40, 54,330,419.56 and 21,730,041.16 is: 29,989,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,367,636.40 : 54,330,419.56 = 21,730,041.16 : x
  2. Step 2: Convert to fraction form
    39,367,636.40/54,330,419.56 = 21,730,041.16/x
  3. Step 3: Cross multiply
    39,367,636.40x = 54,330,419.56 × 21,730,041.16
  4. Step 4: Simplify right side
    39,367,636.40x = 1,180,602,253,278,869.25
  5. Step 5: Solve for x
    x = 1,180,602,253,278,869.25/39,367,636.40
  6. Step 6: Final answer
    x = 29,989,157.62

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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.