Home / 12,713,158.01-17,547,336.03-7,815,542.52

Finding the Fourth Proportional to 12,713,158.01, 17,547,336.03 and 7,815,542.52

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Solution

The fourth proportional to 12,713,158.01, 17,547,336.03 and 7,815,542.52 is: 10,787,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,158.01 : 17,547,336.03 = 7,815,542.52 : x
  2. Step 2: Convert to fraction form
    12,713,158.01/17,547,336.03 = 7,815,542.52/x
  3. Step 3: Cross multiply
    12,713,158.01x = 17,547,336.03 × 7,815,542.52
  4. Step 4: Simplify right side
    12,713,158.01x = 137,141,950,782,960.77
  5. Step 5: Solve for x
    x = 137,141,950,782,960.77/12,713,158.01
  6. Step 6: Final answer
    x = 10,787,402.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.