Home / 10,631,025.60-15,936,040.80-5,235,259.20

Finding the Fourth Proportional to 10,631,025.60, 15,936,040.80 and 5,235,259.20

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Solution

The fourth proportional to 10,631,025.60, 15,936,040.80 and 5,235,259.20 is: 7,847,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,025.60 : 15,936,040.80 = 5,235,259.20 : x
  2. Step 2: Convert to fraction form
    10,631,025.60/15,936,040.80 = 5,235,259.20/x
  3. Step 3: Cross multiply
    10,631,025.60x = 15,936,040.80 × 5,235,259.20
  4. Step 4: Simplify right side
    10,631,025.60x = 83,429,304,209,775.36
  5. Step 5: Solve for x
    x = 83,429,304,209,775.36/10,631,025.60
  6. Step 6: Final answer
    x = 7,847,719.25

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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.