Home / 6,435,861.80-9,657,338.70-3,913,288.52

Finding the Fourth Proportional to 6,435,861.80, 9,657,338.70 and 3,913,288.52

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Solution

The fourth proportional to 6,435,861.80, 9,657,338.70 and 3,913,288.52 is: 5,872,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435,861.80 : 9,657,338.70 = 3,913,288.52 : x
  2. Step 2: Convert to fraction form
    6,435,861.80/9,657,338.70 = 3,913,288.52/x
  3. Step 3: Cross multiply
    6,435,861.80x = 9,657,338.70 × 3,913,288.52
  4. Step 4: Simplify right side
    6,435,861.80x = 37,791,952,668,461.72
  5. Step 5: Solve for x
    x = 37,791,952,668,461.72/6,435,861.80
  6. Step 6: Final answer
    x = 5,872,088.90

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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.