Home / 7,246,123.46-10,869,178.19-1,854,765.28

Finding the Fourth Proportional to 7,246,123.46, 10,869,178.19 and 1,854,765.28

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Solution

The fourth proportional to 7,246,123.46, 10,869,178.19 and 1,854,765.28 is: 2,782,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246,123.46 : 10,869,178.19 = 1,854,765.28 : x
  2. Step 2: Convert to fraction form
    7,246,123.46/10,869,178.19 = 1,854,765.28/x
  3. Step 3: Cross multiply
    7,246,123.46x = 10,869,178.19 × 1,854,765.28
  4. Step 4: Simplify right side
    7,246,123.46x = 20,159,774,333,582.16
  5. Step 5: Solve for x
    x = 20,159,774,333,582.16/7,246,123.46
  6. Step 6: Final answer
    x = 2,782,146.13

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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.