Home / 7,776,001.90-11,664,002.85-7,029,505.90

Finding the Fourth Proportional to 7,776,001.90, 11,664,002.85 and 7,029,505.90

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Solution

The fourth proportional to 7,776,001.90, 11,664,002.85 and 7,029,505.90 is: 10,544,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,001.90 : 11,664,002.85 = 7,029,505.90 : x
  2. Step 2: Convert to fraction form
    7,776,001.90/11,664,002.85 = 7,029,505.90/x
  3. Step 3: Cross multiply
    7,776,001.90x = 11,664,002.85 × 7,029,505.90
  4. Step 4: Simplify right side
    7,776,001.90x = 81,992,176,851,691.81
  5. Step 5: Solve for x
    x = 81,992,176,851,691.81/7,776,001.90
  6. Step 6: Final answer
    x = 10,544,258.85

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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.