Home / 39,860,726.55-55,007,802.32-21,526,010.43

Finding the Fourth Proportional to 39,860,726.55, 55,007,802.32 and 21,526,010.43

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Solution

The fourth proportional to 39,860,726.55, 55,007,802.32 and 21,526,010.43 is: 29,705,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860,726.55 : 55,007,802.32 = 21,526,010.43 : x
  2. Step 2: Convert to fraction form
    39,860,726.55/55,007,802.32 = 21,526,010.43/x
  3. Step 3: Cross multiply
    39,860,726.55x = 55,007,802.32 × 21,526,010.43
  4. Step 4: Simplify right side
    39,860,726.55x = 1,184,098,526,364,068
  5. Step 5: Solve for x
    x = 1,184,098,526,364,068/39,860,726.55
  6. Step 6: Final answer
    x = 29,705,894.22

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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.