Home / 39,902,492.10-59,853,738.15-21,699,653.70

Finding the Fourth Proportional to 39,902,492.10, 59,853,738.15 and 21,699,653.70

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Solution

The fourth proportional to 39,902,492.10, 59,853,738.15 and 21,699,653.70 is: 32,549,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,902,492.10 : 59,853,738.15 = 21,699,653.70 : x
  2. Step 2: Convert to fraction form
    39,902,492.10/59,853,738.15 = 21,699,653.70/x
  3. Step 3: Cross multiply
    39,902,492.10x = 59,853,738.15 × 21,699,653.70
  4. Step 4: Simplify right side
    39,902,492.10x = 1,298,805,390,505,478.50
  5. Step 5: Solve for x
    x = 1,298,805,390,505,478.50/39,902,492.10
  6. Step 6: Final answer
    x = 32,549,480.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.