Home / 8,272,036.80-12,408,055.20-6,146,272.80

Finding the Fourth Proportional to 8,272,036.80, 12,408,055.20 and 6,146,272.80

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Solution

The fourth proportional to 8,272,036.80, 12,408,055.20 and 6,146,272.80 is: 9,219,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,036.80 : 12,408,055.20 = 6,146,272.80 : x
  2. Step 2: Convert to fraction form
    8,272,036.80/12,408,055.20 = 6,146,272.80/x
  3. Step 3: Cross multiply
    8,272,036.80x = 12,408,055.20 × 6,146,272.80
  4. Step 4: Simplify right side
    8,272,036.80x = 76,263,292,176,658.55
  5. Step 5: Solve for x
    x = 76,263,292,176,658.55/8,272,036.80
  6. Step 6: Final answer
    x = 9,219,409.20

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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.