Home / 6,642,420.10-9,963,630.15-4,587,514.90

Finding the Fourth Proportional to 6,642,420.10, 9,963,630.15 and 4,587,514.90

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Solution

The fourth proportional to 6,642,420.10, 9,963,630.15 and 4,587,514.90 is: 6,881,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,420.10 : 9,963,630.15 = 4,587,514.90 : x
  2. Step 2: Convert to fraction form
    6,642,420.10/9,963,630.15 = 4,587,514.90/x
  3. Step 3: Cross multiply
    6,642,420.10x = 9,963,630.15 × 4,587,514.90
  4. Step 4: Simplify right side
    6,642,420.10x = 45,708,301,771,214.24
  5. Step 5: Solve for x
    x = 45,708,301,771,214.24/6,642,420.10
  6. Step 6: Final answer
    x = 6,881,272.35

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Similar ratio
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1.5x scale

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.