Home / 8,721,184.32-12,048,885.12-6,663,402

Finding the Fourth Proportional to 8,721,184.32, 12,048,885.12 and 6,663,402

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Solution

The fourth proportional to 8,721,184.32, 12,048,885.12 and 6,663,402 is: 9,205,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,184.32 : 12,048,885.12 = 6,663,402 : x
  2. Step 2: Convert to fraction form
    8,721,184.32/12,048,885.12 = 6,663,402/x
  3. Step 3: Cross multiply
    8,721,184.32x = 12,048,885.12 × 6,663,402
  4. Step 4: Simplify right side
    8,721,184.32x = 80,286,565,206,378.23
  5. Step 5: Solve for x
    x = 80,286,565,206,378.23/8,721,184.32
  6. Step 6: Final answer
    x = 9,205,924.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.