Home / 12,949,007.60-19,407,959.40-5,372,073.20

Finding the Fourth Proportional to 12,949,007.60, 19,407,959.40 and 5,372,073.20

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Solution

The fourth proportional to 12,949,007.60, 19,407,959.40 and 5,372,073.20 is: 8,051,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,007.60 : 19,407,959.40 = 5,372,073.20 : x
  2. Step 2: Convert to fraction form
    12,949,007.60/19,407,959.40 = 5,372,073.20/x
  3. Step 3: Cross multiply
    12,949,007.60x = 19,407,959.40 × 5,372,073.20
  4. Step 4: Simplify right side
    12,949,007.60x = 104,260,978,559,428.08
  5. Step 5: Solve for x
    x = 104,260,978,559,428.08/12,949,007.60
  6. Step 6: Final answer
    x = 8,051,657.84

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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.