Home / 12,866,137.46-19,294,924.35-5,187,799.10

Finding the Fourth Proportional to 12,866,137.46, 19,294,924.35 and 5,187,799.10

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Solution

The fourth proportional to 12,866,137.46, 19,294,924.35 and 5,187,799.10 is: 7,779,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,137.46 : 19,294,924.35 = 5,187,799.10 : x
  2. Step 2: Convert to fraction form
    12,866,137.46/19,294,924.35 = 5,187,799.10/x
  3. Step 3: Cross multiply
    12,866,137.46x = 19,294,924.35 × 5,187,799.10
  4. Step 4: Simplify right side
    12,866,137.46x = 100,098,191,177,498.08
  5. Step 5: Solve for x
    x = 100,098,191,177,498.08/12,866,137.46
  6. Step 6: Final answer
    x = 7,779,972.15

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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.