Home / 10,079,427.60-15,119,141.40-6,678,205.20

Finding the Fourth Proportional to 10,079,427.60, 15,119,141.40 and 6,678,205.20

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Solution

The fourth proportional to 10,079,427.60, 15,119,141.40 and 6,678,205.20 is: 10,017,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079,427.60 : 15,119,141.40 = 6,678,205.20 : x
  2. Step 2: Convert to fraction form
    10,079,427.60/15,119,141.40 = 6,678,205.20/x
  3. Step 3: Cross multiply
    10,079,427.60x = 15,119,141.40 × 6,678,205.20
  4. Step 4: Simplify right side
    10,079,427.60x = 100,968,728,717,015.28
  5. Step 5: Solve for x
    x = 100,968,728,717,015.28/10,079,427.60
  6. Step 6: Final answer
    x = 10,017,307.80

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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.