Home / 8,805,734.40-13,208,601.60-8,112,892.80

Finding the Fourth Proportional to 8,805,734.40, 13,208,601.60 and 8,112,892.80

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Solution

The fourth proportional to 8,805,734.40, 13,208,601.60 and 8,112,892.80 is: 12,169,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,734.40 : 13,208,601.60 = 8,112,892.80 : x
  2. Step 2: Convert to fraction form
    8,805,734.40/13,208,601.60 = 8,112,892.80/x
  3. Step 3: Cross multiply
    8,805,734.40x = 13,208,601.60 × 8,112,892.80
  4. Step 4: Simplify right side
    8,805,734.40x = 107,159,968,818,708.47
  5. Step 5: Solve for x
    x = 107,159,968,818,708.47/8,805,734.40
  6. Step 6: Final answer
    x = 12,169,339.20

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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.