Home / 6,625,316.40-9,931,753.80-5,185,201.20

Finding the Fourth Proportional to 6,625,316.40, 9,931,753.80 and 5,185,201.20

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Solution

The fourth proportional to 6,625,316.40, 9,931,753.80 and 5,185,201.20 is: 7,772,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625,316.40 : 9,931,753.80 = 5,185,201.20 : x
  2. Step 2: Convert to fraction form
    6,625,316.40/9,931,753.80 = 5,185,201.20/x
  3. Step 3: Cross multiply
    6,625,316.40x = 9,931,753.80 × 5,185,201.20
  4. Step 4: Simplify right side
    6,625,316.40x = 51,498,141,721,864.56
  5. Step 5: Solve for x
    x = 51,498,141,721,864.56/6,625,316.40
  6. Step 6: Final answer
    x = 7,772,933.19

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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.