Home / 10,952,140.70-16,428,211.05-8,117,788.70

Finding the Fourth Proportional to 10,952,140.70, 16,428,211.05 and 8,117,788.70

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Solution

The fourth proportional to 10,952,140.70, 16,428,211.05 and 8,117,788.70 is: 12,176,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952,140.70 : 16,428,211.05 = 8,117,788.70 : x
  2. Step 2: Convert to fraction form
    10,952,140.70/16,428,211.05 = 8,117,788.70/x
  3. Step 3: Cross multiply
    10,952,140.70x = 16,428,211.05 × 8,117,788.70
  4. Step 4: Simplify right side
    10,952,140.70x = 133,360,746,022,905.14
  5. Step 5: Solve for x
    x = 133,360,746,022,905.14/10,952,140.70
  6. Step 6: Final answer
    x = 12,176,683.05

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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.