Home / 8,600,398.32-12,886,418.40-4,996,047.36

Finding the Fourth Proportional to 8,600,398.32, 12,886,418.40 and 4,996,047.36

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Solution

The fourth proportional to 8,600,398.32, 12,886,418.40 and 4,996,047.36 is: 7,485,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600,398.32 : 12,886,418.40 = 4,996,047.36 : x
  2. Step 2: Convert to fraction form
    8,600,398.32/12,886,418.40 = 4,996,047.36/x
  3. Step 3: Cross multiply
    8,600,398.32x = 12,886,418.40 × 4,996,047.36
  4. Step 4: Simplify right side
    8,600,398.32x = 64,381,156,627,175.43
  5. Step 5: Solve for x
    x = 64,381,156,627,175.43/8,600,398.32
  6. Step 6: Final answer
    x = 7,485,834.29

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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.