Home / 7,452,001.20-11,178,001.80-5,184,519.60

Finding the Fourth Proportional to 7,452,001.20, 11,178,001.80 and 5,184,519.60

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Solution

The fourth proportional to 7,452,001.20, 11,178,001.80 and 5,184,519.60 is: 7,776,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,001.20 : 11,178,001.80 = 5,184,519.60 : x
  2. Step 2: Convert to fraction form
    7,452,001.20/11,178,001.80 = 5,184,519.60/x
  3. Step 3: Cross multiply
    7,452,001.20x = 11,178,001.80 × 5,184,519.60
  4. Step 4: Simplify right side
    7,452,001.20x = 57,952,569,420,935.28
  5. Step 5: Solve for x
    x = 57,952,569,420,935.28/7,452,001.20
  6. Step 6: Final answer
    x = 7,776,779.40

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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.