Home / 7,098,801.20-10,648,201.80-6,678,897.20

Finding the Fourth Proportional to 7,098,801.20, 10,648,201.80 and 6,678,897.20

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Solution

The fourth proportional to 7,098,801.20, 10,648,201.80 and 6,678,897.20 is: 10,018,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,801.20 : 10,648,201.80 = 6,678,897.20 : x
  2. Step 2: Convert to fraction form
    7,098,801.20/10,648,201.80 = 6,678,897.20/x
  3. Step 3: Cross multiply
    7,098,801.20x = 10,648,201.80 × 6,678,897.20
  4. Step 4: Simplify right side
    7,098,801.20x = 71,118,245,187,054.97
  5. Step 5: Solve for x
    x = 71,118,245,187,054.97/7,098,801.20
  6. Step 6: Final answer
    x = 10,018,345.80

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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.