Home / 7,862,946.60-10,854,214.18-5,286,122.34

Finding the Fourth Proportional to 7,862,946.60, 10,854,214.18 and 5,286,122.34

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Solution

The fourth proportional to 7,862,946.60, 10,854,214.18 and 5,286,122.34 is: 7,297,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862,946.60 : 10,854,214.18 = 5,286,122.34 : x
  2. Step 2: Convert to fraction form
    7,862,946.60/10,854,214.18 = 5,286,122.34/x
  3. Step 3: Cross multiply
    7,862,946.60x = 10,854,214.18 × 5,286,122.34
  4. Step 4: Simplify right side
    7,862,946.60x = 57,376,704,060,042.78
  5. Step 5: Solve for x
    x = 57,376,704,060,042.78/7,862,946.60
  6. Step 6: Final answer
    x = 7,297,099.55

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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.