Home / 7,020,007.20-10,530,010.80-2,760,314.40

Finding the Fourth Proportional to 7,020,007.20, 10,530,010.80 and 2,760,314.40

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Solution

The fourth proportional to 7,020,007.20, 10,530,010.80 and 2,760,314.40 is: 4,140,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,007.20 : 10,530,010.80 = 2,760,314.40 : x
  2. Step 2: Convert to fraction form
    7,020,007.20/10,530,010.80 = 2,760,314.40/x
  3. Step 3: Cross multiply
    7,020,007.20x = 10,530,010.80 × 2,760,314.40
  4. Step 4: Simplify right side
    7,020,007.20x = 29,066,140,443,395.52
  5. Step 5: Solve for x
    x = 29,066,140,443,395.52/7,020,007.20
  6. Step 6: Final answer
    x = 4,140,471.60

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Similar ratio
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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.