Home / 9,175,893.76-12,662,527.26-4,989,488.32

Finding the Fourth Proportional to 9,175,893.76, 12,662,527.26 and 4,989,488.32

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Solution

The fourth proportional to 9,175,893.76, 12,662,527.26 and 4,989,488.32 is: 6,885,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175,893.76 : 12,662,527.26 = 4,989,488.32 : x
  2. Step 2: Convert to fraction form
    9,175,893.76/12,662,527.26 = 4,989,488.32/x
  3. Step 3: Cross multiply
    9,175,893.76x = 12,662,527.26 × 4,989,488.32
  4. Step 4: Simplify right side
    9,175,893.76x = 63,179,531,865,451.61
  5. Step 5: Solve for x
    x = 63,179,531,865,451.61/9,175,893.76
  6. Step 6: Final answer
    x = 6,885,381.80

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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.