Home / 10,032,000.80-15,048,001.20-7,477,325.60

Finding the Fourth Proportional to 10,032,000.80, 15,048,001.20 and 7,477,325.60

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Solution

The fourth proportional to 10,032,000.80, 15,048,001.20 and 7,477,325.60 is: 11,215,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,032,000.80 : 15,048,001.20 = 7,477,325.60 : x
  2. Step 2: Convert to fraction form
    10,032,000.80/15,048,001.20 = 7,477,325.60/x
  3. Step 3: Cross multiply
    10,032,000.80x = 15,048,001.20 × 7,477,325.60
  4. Step 4: Simplify right side
    10,032,000.80x = 112,518,804,601,590.70
  5. Step 5: Solve for x
    x = 112,518,804,601,590.70/10,032,000.80
  6. Step 6: Final answer
    x = 11,215,988.40

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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.