Home / 19,789,613.70-29,684,420.55-7,011,410.10

Finding the Fourth Proportional to 19,789,613.70, 29,684,420.55 and 7,011,410.10

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Solution

The fourth proportional to 19,789,613.70, 29,684,420.55 and 7,011,410.10 is: 10,517,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789,613.70 : 29,684,420.55 = 7,011,410.10 : x
  2. Step 2: Convert to fraction form
    19,789,613.70/29,684,420.55 = 7,011,410.10/x
  3. Step 3: Cross multiply
    19,789,613.70x = 29,684,420.55 × 7,011,410.10
  4. Step 4: Simplify right side
    19,789,613.70x = 208,129,646,056,917.56
  5. Step 5: Solve for x
    x = 208,129,646,056,917.56/19,789,613.70
  6. Step 6: Final answer
    x = 10,517,115.15

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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.