Home / 7,712,856.40-11,561,411.40-4,516,337.20

Finding the Fourth Proportional to 7,712,856.40, 11,561,411.40 and 4,516,337.20

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Solution

The fourth proportional to 7,712,856.40, 11,561,411.40 and 4,516,337.20 is: 6,769,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712,856.40 : 11,561,411.40 = 4,516,337.20 : x
  2. Step 2: Convert to fraction form
    7,712,856.40/11,561,411.40 = 4,516,337.20/x
  3. Step 3: Cross multiply
    7,712,856.40x = 11,561,411.40 × 4,516,337.20
  4. Step 4: Simplify right side
    7,712,856.40x = 52,215,232,390,324.09
  5. Step 5: Solve for x
    x = 52,215,232,390,324.09/7,712,856.40
  6. Step 6: Final answer
    x = 6,769,895.57

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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.