Home / 12,949,127.60-19,408,139.40-5,372,193.20

Finding the Fourth Proportional to 12,949,127.60, 19,408,139.40 and 5,372,193.20

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Solution

The fourth proportional to 12,949,127.60, 19,408,139.40 and 5,372,193.20 is: 8,051,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,127.60 : 19,408,139.40 = 5,372,193.20 : x
  2. Step 2: Convert to fraction form
    12,949,127.60/19,408,139.40 = 5,372,193.20/x
  3. Step 3: Cross multiply
    12,949,127.60x = 19,408,139.40 × 5,372,193.20
  4. Step 4: Simplify right side
    12,949,127.60x = 104,264,274,509,332.08
  5. Step 5: Solve for x
    x = 104,264,274,509,332.08/12,949,127.60
  6. Step 6: Final answer
    x = 8,051,837.76

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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.