Home / 7,452,029.80-11,178,044.70-5,042,830.60

Finding the Fourth Proportional to 7,452,029.80, 11,178,044.70 and 5,042,830.60

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Solution

The fourth proportional to 7,452,029.80, 11,178,044.70 and 5,042,830.60 is: 7,564,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,029.80 : 11,178,044.70 = 5,042,830.60 : x
  2. Step 2: Convert to fraction form
    7,452,029.80/11,178,044.70 = 5,042,830.60/x
  3. Step 3: Cross multiply
    7,452,029.80x = 11,178,044.70 × 5,042,830.60
  4. Step 4: Simplify right side
    7,452,029.80x = 56,368,985,861,327.81
  5. Step 5: Solve for x
    x = 56,368,985,861,327.81/7,452,029.80
  6. Step 6: Final answer
    x = 7,564,245.90

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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.