Home / 52,021,072-78,031,385.22-13,159,891.84

Finding the Fourth Proportional to 52,021,072, 78,031,385.22 and 13,159,891.84

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Solution

The fourth proportional to 52,021,072, 78,031,385.22 and 13,159,891.84 is: 19,739,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021,072 : 78,031,385.22 = 13,159,891.84 : x
  2. Step 2: Convert to fraction form
    52,021,072/78,031,385.22 = 13,159,891.84/x
  3. Step 3: Cross multiply
    52,021,072x = 78,031,385.22 × 13,159,891.84
  4. Step 4: Simplify right side
    52,021,072x = 1,026,884,589,620,574.62
  5. Step 5: Solve for x
    x = 1,026,884,589,620,574.62/52,021,072
  6. Step 6: Final answer
    x = 19,739,781.40

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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.