Home / 10,430,119.80-15,645,179.70-10,052,206.20

Finding the Fourth Proportional to 10,430,119.80, 15,645,179.70 and 10,052,206.20

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Solution

The fourth proportional to 10,430,119.80, 15,645,179.70 and 10,052,206.20 is: 15,078,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,119.80 : 15,645,179.70 = 10,052,206.20 : x
  2. Step 2: Convert to fraction form
    10,430,119.80/15,645,179.70 = 10,052,206.20/x
  3. Step 3: Cross multiply
    10,430,119.80x = 15,645,179.70 × 10,052,206.20
  4. Step 4: Simplify right side
    10,430,119.80x = 157,268,572,380,454.12
  5. Step 5: Solve for x
    x = 157,268,572,380,454.12/10,430,119.80
  6. Step 6: Final answer
    x = 15,078,309.30

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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.