Home / 12,950,854.52-17,871,711.09-7,149,511.94

Finding the Fourth Proportional to 12,950,854.52, 17,871,711.09 and 7,149,511.94

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Solution

The fourth proportional to 12,950,854.52, 17,871,711.09 and 7,149,511.94 is: 9,866,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,854.52 : 17,871,711.09 = 7,149,511.94 : x
  2. Step 2: Convert to fraction form
    12,950,854.52/17,871,711.09 = 7,149,511.94/x
  3. Step 3: Cross multiply
    12,950,854.52x = 17,871,711.09 × 7,149,511.94
  4. Step 4: Simplify right side
    12,950,854.52x = 127,774,011,826,185.42
  5. Step 5: Solve for x
    x = 127,774,011,826,185.42/12,950,854.52
  6. Step 6: Final answer
    x = 9,866,068.04

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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.