Home / 8,697,717.80-13,046,576.70-7,438,005.80

Finding the Fourth Proportional to 8,697,717.80, 13,046,576.70 and 7,438,005.80

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Solution

The fourth proportional to 8,697,717.80, 13,046,576.70 and 7,438,005.80 is: 11,157,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,717.80 : 13,046,576.70 = 7,438,005.80 : x
  2. Step 2: Convert to fraction form
    8,697,717.80/13,046,576.70 = 7,438,005.80/x
  3. Step 3: Cross multiply
    8,697,717.80x = 13,046,576.70 × 7,438,005.80
  4. Step 4: Simplify right side
    8,697,717.80x = 97,040,513,164,744.86
  5. Step 5: Solve for x
    x = 97,040,513,164,744.86/8,697,717.80
  6. Step 6: Final answer
    x = 11,157,008.70

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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.