Home / 10,891,856.70-16,337,785.05-7,308,675.90

Finding the Fourth Proportional to 10,891,856.70, 16,337,785.05 and 7,308,675.90

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Solution

The fourth proportional to 10,891,856.70, 16,337,785.05 and 7,308,675.90 is: 10,963,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,856.70 : 16,337,785.05 = 7,308,675.90 : x
  2. Step 2: Convert to fraction form
    10,891,856.70/16,337,785.05 = 7,308,675.90/x
  3. Step 3: Cross multiply
    10,891,856.70x = 16,337,785.05 × 7,308,675.90
  4. Step 4: Simplify right side
    10,891,856.70x = 119,407,575,854,315.31
  5. Step 5: Solve for x
    x = 119,407,575,854,315.31/10,891,856.70
  6. Step 6: Final answer
    x = 10,963,013.85

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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.