Home / 12,932,999.20-19,392,500.40-5,360,730.40

Finding the Fourth Proportional to 12,932,999.20, 19,392,500.40 and 5,360,730.40

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Solution

The fourth proportional to 12,932,999.20, 19,392,500.40 and 5,360,730.40 is: 8,038,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932,999.20 : 19,392,500.40 = 5,360,730.40 : x
  2. Step 2: Convert to fraction form
    12,932,999.20/19,392,500.40 = 5,360,730.40/x
  3. Step 3: Cross multiply
    12,932,999.20x = 19,392,500.40 × 5,360,730.40
  4. Step 4: Simplify right side
    12,932,999.20x = 103,957,966,426,292.16
  5. Step 5: Solve for x
    x = 103,957,966,426,292.16/12,932,999.20
  6. Step 6: Final answer
    x = 8,038,194.76

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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.