Home / 31,372,973.80-47,059,460.70-21,807,035.80

Finding the Fourth Proportional to 31,372,973.80, 47,059,460.70 and 21,807,035.80

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Solution

The fourth proportional to 31,372,973.80, 47,059,460.70 and 21,807,035.80 is: 32,710,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372,973.80 : 47,059,460.70 = 21,807,035.80 : x
  2. Step 2: Convert to fraction form
    31,372,973.80/47,059,460.70 = 21,807,035.80/x
  3. Step 3: Cross multiply
    31,372,973.80x = 47,059,460.70 × 21,807,035.80
  4. Step 4: Simplify right side
    31,372,973.80x = 1,026,227,344,213,593.12
  5. Step 5: Solve for x
    x = 1,026,227,344,213,593.12/31,372,973.80
  6. Step 6: Final answer
    x = 32,710,553.70

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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.