Home / 7,488,001.20-11,232,001.80-3,003,495.60

Finding the Fourth Proportional to 7,488,001.20, 11,232,001.80 and 3,003,495.60

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Solution

The fourth proportional to 7,488,001.20, 11,232,001.80 and 3,003,495.60 is: 4,505,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488,001.20 : 11,232,001.80 = 3,003,495.60 : x
  2. Step 2: Convert to fraction form
    7,488,001.20/11,232,001.80 = 3,003,495.60/x
  3. Step 3: Cross multiply
    7,488,001.20x = 11,232,001.80 × 3,003,495.60
  4. Step 4: Simplify right side
    7,488,001.20x = 33,735,267,985,492.08
  5. Step 5: Solve for x
    x = 33,735,267,985,492.08/7,488,001.20
  6. Step 6: Final answer
    x = 4,505,243.40

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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.