Home / 52,511,378.48-72,460,522.51-28,988,387.72

Finding the Fourth Proportional to 52,511,378.48, 72,460,522.51 and 28,988,387.72

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Solution

The fourth proportional to 52,511,378.48, 72,460,522.51 and 28,988,387.72 is: 40,001,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,511,378.48 : 72,460,522.51 = 28,988,387.72 : x
  2. Step 2: Convert to fraction form
    52,511,378.48/72,460,522.51 = 28,988,387.72/x
  3. Step 3: Cross multiply
    52,511,378.48x = 72,460,522.51 × 28,988,387.72
  4. Step 4: Simplify right side
    52,511,378.48x = 2,100,513,720,478,893.75
  5. Step 5: Solve for x
    x = 2,100,513,720,478,893.75/52,511,378.48
  6. Step 6: Final answer
    x = 40,001,115.60

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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.