Home / 10,643,139.20-15,967,041.60-3,453,449.60

Finding the Fourth Proportional to 10,643,139.20, 15,967,041.60 and 3,453,449.60

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Solution

The fourth proportional to 10,643,139.20, 15,967,041.60 and 3,453,449.60 is: 5,180,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,139.20 : 15,967,041.60 = 3,453,449.60 : x
  2. Step 2: Convert to fraction form
    10,643,139.20/15,967,041.60 = 3,453,449.60/x
  3. Step 3: Cross multiply
    10,643,139.20x = 15,967,041.60 × 3,453,449.60
  4. Step 4: Simplify right side
    10,643,139.20x = 55,141,373,426,703.36
  5. Step 5: Solve for x
    x = 55,141,373,426,703.36/10,643,139.20
  6. Step 6: Final answer
    x = 5,180,931.34

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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.