Home / 10,791,240.85-16,186,861.28-9,909,442.45

Finding the Fourth Proportional to 10,791,240.85, 16,186,861.28 and 9,909,442.45

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Solution

The fourth proportional to 10,791,240.85, 16,186,861.28 and 9,909,442.45 is: 14,864,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791,240.85 : 16,186,861.28 = 9,909,442.45 : x
  2. Step 2: Convert to fraction form
    10,791,240.85/16,186,861.28 = 9,909,442.45/x
  3. Step 3: Cross multiply
    10,791,240.85x = 16,186,861.28 × 9,909,442.45
  4. Step 4: Simplify right side
    10,791,240.85x = 160,402,770,250,746.12
  5. Step 5: Solve for x
    x = 160,402,770,250,746.12/10,791,240.85
  6. Step 6: Final answer
    x = 14,864,163.68

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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.