Home / 13,134,431.10-19,701,646.65-7,465,727.10

Finding the Fourth Proportional to 13,134,431.10, 19,701,646.65 and 7,465,727.10

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Solution

The fourth proportional to 13,134,431.10, 19,701,646.65 and 7,465,727.10 is: 11,198,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,431.10 : 19,701,646.65 = 7,465,727.10 : x
  2. Step 2: Convert to fraction form
    13,134,431.10/19,701,646.65 = 7,465,727.10/x
  3. Step 3: Cross multiply
    13,134,431.10x = 19,701,646.65 × 7,465,727.10
  4. Step 4: Simplify right side
    13,134,431.10x = 147,087,117,309,529.19
  5. Step 5: Solve for x
    x = 147,087,117,309,529.19/13,134,431.10
  6. Step 6: Final answer
    x = 11,198,590.65

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Similar ratio
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1.5x scale

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.