Home / 42,475,691.04-63,695,821.32-13,322,018.76

Finding the Fourth Proportional to 42,475,691.04, 63,695,821.32 and 13,322,018.76

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Solution

The fourth proportional to 42,475,691.04, 63,695,821.32 and 13,322,018.76 is: 19,977,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,475,691.04 : 63,695,821.32 = 13,322,018.76 : x
  2. Step 2: Convert to fraction form
    42,475,691.04/63,695,821.32 = 13,322,018.76/x
  3. Step 3: Cross multiply
    42,475,691.04x = 63,695,821.32 × 13,322,018.76
  4. Step 4: Simplify right side
    42,475,691.04x = 848,556,926,558,648
  5. Step 5: Solve for x
    x = 848,556,926,558,648/42,475,691.04
  6. Step 6: Final answer
    x = 19,977,471.96

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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.