Home / 12,423,701.76-18,640,036.80-4,337,868.66

Finding the Fourth Proportional to 12,423,701.76, 18,640,036.80 and 4,337,868.66

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Solution

The fourth proportional to 12,423,701.76, 18,640,036.80 and 4,337,868.66 is: 6,508,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423,701.76 : 18,640,036.80 = 4,337,868.66 : x
  2. Step 2: Convert to fraction form
    12,423,701.76/18,640,036.80 = 4,337,868.66/x
  3. Step 3: Cross multiply
    12,423,701.76x = 18,640,036.80 × 4,337,868.66
  4. Step 4: Simplify right side
    12,423,701.76x = 80,858,031,455,966.69
  5. Step 5: Solve for x
    x = 80,858,031,455,966.69/12,423,701.76
  6. Step 6: Final answer
    x = 6,508,368.68

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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.