Home / 12,827,561.29-19,242,240-5,151,205.87

Finding the Fourth Proportional to 12,827,561.29, 19,242,240 and 5,151,205.87

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Solution

The fourth proportional to 12,827,561.29, 19,242,240 and 5,151,205.87 is: 7,727,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827,561.29 : 19,242,240 = 5,151,205.87 : x
  2. Step 2: Convert to fraction form
    12,827,561.29/19,242,240 = 5,151,205.87/x
  3. Step 3: Cross multiply
    12,827,561.29x = 19,242,240 × 5,151,205.87
  4. Step 4: Simplify right side
    12,827,561.29x = 99,120,739,639,948.80
  5. Step 5: Solve for x
    x = 99,120,739,639,948.80/12,827,561.29
  6. Step 6: Final answer
    x = 7,727,169.44

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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.