Home / 9,200,320.71-12,696,529.37-5,070,500.79

Finding the Fourth Proportional to 9,200,320.71, 12,696,529.37 and 5,070,500.79

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Solution

The fourth proportional to 9,200,320.71, 12,696,529.37 and 5,070,500.79 is: 6,997,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200,320.71 : 12,696,529.37 = 5,070,500.79 : x
  2. Step 2: Convert to fraction form
    9,200,320.71/12,696,529.37 = 5,070,500.79/x
  3. Step 3: Cross multiply
    9,200,320.71x = 12,696,529.37 × 5,070,500.79
  4. Step 4: Simplify right side
    9,200,320.71x = 64,377,762,175,490.70
  5. Step 5: Solve for x
    x = 64,377,762,175,490.70/9,200,320.71
  6. Step 6: Final answer
    x = 6,997,338.92

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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.