Home / 13,143,060.10-19,714,590.15-7,171,092.10

Finding the Fourth Proportional to 13,143,060.10, 19,714,590.15 and 7,171,092.10

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Solution

The fourth proportional to 13,143,060.10, 19,714,590.15 and 7,171,092.10 is: 10,756,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143,060.10 : 19,714,590.15 = 7,171,092.10 : x
  2. Step 2: Convert to fraction form
    13,143,060.10/19,714,590.15 = 7,171,092.10/x
  3. Step 3: Cross multiply
    13,143,060.10x = 19,714,590.15 × 7,171,092.10
  4. Step 4: Simplify right side
    13,143,060.10x = 141,375,141,679,402.81
  5. Step 5: Solve for x
    x = 141,375,141,679,402.81/13,143,060.10
  6. Step 6: Final answer
    x = 10,756,638.15

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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.