Home / 40,223,645.40-60,335,468.10-21,060,276.60

Finding the Fourth Proportional to 40,223,645.40, 60,335,468.10 and 21,060,276.60

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Solution

The fourth proportional to 40,223,645.40, 60,335,468.10 and 21,060,276.60 is: 31,590,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223,645.40 : 60,335,468.10 = 21,060,276.60 : x
  2. Step 2: Convert to fraction form
    40,223,645.40/60,335,468.10 = 21,060,276.60/x
  3. Step 3: Cross multiply
    40,223,645.40x = 60,335,468.10 × 21,060,276.60
  4. Step 4: Simplify right side
    40,223,645.40x = 1,270,681,646,976,476.50
  5. Step 5: Solve for x
    x = 1,270,681,646,976,476.50/40,223,645.40
  6. Step 6: Final answer
    x = 31,590,414.90

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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.