Home / 6,931,407.18-10,390,123.28-2,890,126.56

Finding the Fourth Proportional to 6,931,407.18, 10,390,123.28 and 2,890,126.56

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Solution

The fourth proportional to 6,931,407.18, 10,390,123.28 and 2,890,126.56 is: 4,332,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931,407.18 : 10,390,123.28 = 2,890,126.56 : x
  2. Step 2: Convert to fraction form
    6,931,407.18/10,390,123.28 = 2,890,126.56/x
  3. Step 3: Cross multiply
    6,931,407.18x = 10,390,123.28 × 2,890,126.56
  4. Step 4: Simplify right side
    6,931,407.18x = 30,028,771,253,202.32
  5. Step 5: Solve for x
    x = 30,028,771,253,202.32/6,931,407.18
  6. Step 6: Final answer
    x = 4,332,276.33

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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.