Home / 9,489,385.60-13,095,359.04-5,138,506.24

Finding the Fourth Proportional to 9,489,385.60, 13,095,359.04 and 5,138,506.24

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Solution

The fourth proportional to 9,489,385.60, 13,095,359.04 and 5,138,506.24 is: 7,091,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,385.60 : 13,095,359.04 = 5,138,506.24 : x
  2. Step 2: Convert to fraction form
    9,489,385.60/13,095,359.04 = 5,138,506.24/x
  3. Step 3: Cross multiply
    9,489,385.60x = 13,095,359.04 × 5,138,506.24
  4. Step 4: Simplify right side
    9,489,385.60x = 67,290,584,142,080.41
  5. Step 5: Solve for x
    x = 67,290,584,142,080.41/9,489,385.60
  6. Step 6: Final answer
    x = 7,091,142.35

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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.