Home / 8,478,454.91-11,700,017.21-4,807,706.63

Finding the Fourth Proportional to 8,478,454.91, 11,700,017.21 and 4,807,706.63

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Solution

The fourth proportional to 8,478,454.91, 11,700,017.21 and 4,807,706.63 is: 6,634,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,454.91 : 11,700,017.21 = 4,807,706.63 : x
  2. Step 2: Convert to fraction form
    8,478,454.91/11,700,017.21 = 4,807,706.63/x
  3. Step 3: Cross multiply
    8,478,454.91x = 11,700,017.21 × 4,807,706.63
  4. Step 4: Simplify right side
    8,478,454.91x = 56,250,250,287,592.57
  5. Step 5: Solve for x
    x = 56,250,250,287,592.57/8,478,454.91
  6. Step 6: Final answer
    x = 6,634,493.06

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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.