Home / 10,032,006.80-15,048,010.20-7,477,331.60

Finding the Fourth Proportional to 10,032,006.80, 15,048,010.20 and 7,477,331.60

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Solution

The fourth proportional to 10,032,006.80, 15,048,010.20 and 7,477,331.60 is: 11,215,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,032,006.80 : 15,048,010.20 = 7,477,331.60 : x
  2. Step 2: Convert to fraction form
    10,032,006.80/15,048,010.20 = 7,477,331.60/x
  3. Step 3: Cross multiply
    10,032,006.80x = 15,048,010.20 × 7,477,331.60
  4. Step 4: Simplify right side
    10,032,006.80x = 112,518,962,185,582.31
  5. Step 5: Solve for x
    x = 112,518,962,185,582.31/10,032,006.80
  6. Step 6: Final answer
    x = 11,215,997.40

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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.