Home / 12,941,385.60-19,412,078.40-9,955,401.60

Finding the Fourth Proportional to 12,941,385.60, 19,412,078.40 and 9,955,401.60

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Solution

The fourth proportional to 12,941,385.60, 19,412,078.40 and 9,955,401.60 is: 14,933,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941,385.60 : 19,412,078.40 = 9,955,401.60 : x
  2. Step 2: Convert to fraction form
    12,941,385.60/19,412,078.40 = 9,955,401.60/x
  3. Step 3: Cross multiply
    12,941,385.60x = 19,412,078.40 × 9,955,401.60
  4. Step 4: Simplify right side
    12,941,385.60x = 193,255,036,362,685.41
  5. Step 5: Solve for x
    x = 193,255,036,362,685.41/12,941,385.60
  6. Step 6: Final answer
    x = 14,933,102.40

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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.