Home / 7,776,518.40-11,661,278.40-2,982,614.40

Finding the Fourth Proportional to 7,776,518.40, 11,661,278.40 and 2,982,614.40

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Solution

The fourth proportional to 7,776,518.40, 11,661,278.40 and 2,982,614.40 is: 4,472,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,518.40 : 11,661,278.40 = 2,982,614.40 : x
  2. Step 2: Convert to fraction form
    7,776,518.40/11,661,278.40 = 2,982,614.40/x
  3. Step 3: Cross multiply
    7,776,518.40x = 11,661,278.40 × 2,982,614.40
  4. Step 4: Simplify right side
    7,776,518.40x = 34,781,096,878,248.96
  5. Step 5: Solve for x
    x = 34,781,096,878,248.96/7,776,518.40
  6. Step 6: Final answer
    x = 4,472,579.51

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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.