Home / 9,489,348.30-14,234,022.45-9,117,339.60

Finding the Fourth Proportional to 9,489,348.30, 14,234,022.45 and 9,117,339.60

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Solution

The fourth proportional to 9,489,348.30, 14,234,022.45 and 9,117,339.60 is: 13,676,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,348.30 : 14,234,022.45 = 9,117,339.60 : x
  2. Step 2: Convert to fraction form
    9,489,348.30/14,234,022.45 = 9,117,339.60/x
  3. Step 3: Cross multiply
    9,489,348.30x = 14,234,022.45 × 9,117,339.60
  4. Step 4: Simplify right side
    9,489,348.30x = 129,776,416,550,674.02
  5. Step 5: Solve for x
    x = 129,776,416,550,674.02/9,489,348.30
  6. Step 6: Final answer
    x = 13,676,009.40

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Double scale
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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.