Home / 10,977,511.50-15,148,965.87-6,685,159.50

Finding the Fourth Proportional to 10,977,511.50, 15,148,965.87 and 6,685,159.50

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Solution

The fourth proportional to 10,977,511.50, 15,148,965.87 and 6,685,159.50 is: 9,225,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977,511.50 : 15,148,965.87 = 6,685,159.50 : x
  2. Step 2: Convert to fraction form
    10,977,511.50/15,148,965.87 = 6,685,159.50/x
  3. Step 3: Cross multiply
    10,977,511.50x = 15,148,965.87 × 6,685,159.50
  4. Step 4: Simplify right side
    10,977,511.50x = 101,273,253,101,006.27
  5. Step 5: Solve for x
    x = 101,273,253,101,006.27/10,977,511.50
  6. Step 6: Final answer
    x = 9,225,520.11

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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.