Home / 7,151,002.40-9,868,422.08-4,210,947.20

Finding the Fourth Proportional to 7,151,002.40, 9,868,422.08 and 4,210,947.20

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Solution

The fourth proportional to 7,151,002.40, 9,868,422.08 and 4,210,947.20 is: 5,811,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151,002.40 : 9,868,422.08 = 4,210,947.20 : x
  2. Step 2: Convert to fraction form
    7,151,002.40/9,868,422.08 = 4,210,947.20/x
  3. Step 3: Cross multiply
    7,151,002.40x = 9,868,422.08 × 4,210,947.20
  4. Step 4: Simplify right side
    7,151,002.40x = 41,555,404,326,194.18
  5. Step 5: Solve for x
    x = 41,555,404,326,194.18/7,151,002.40
  6. Step 6: Final answer
    x = 5,811,129.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.