Home / 12,831,001.20-19,242,432.95-4,193,147.40

Finding the Fourth Proportional to 12,831,001.20, 19,242,432.95 and 4,193,147.40

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Solution

The fourth proportional to 12,831,001.20, 19,242,432.95 and 4,193,147.40 is: 6,288,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,001.20 : 19,242,432.95 = 4,193,147.40 : x
  2. Step 2: Convert to fraction form
    12,831,001.20/19,242,432.95 = 4,193,147.40/x
  3. Step 3: Cross multiply
    12,831,001.20x = 19,242,432.95 × 4,193,147.40
  4. Step 4: Simplify right side
    12,831,001.20x = 80,686,357,732,667.11
  5. Step 5: Solve for x
    x = 80,686,357,732,667.11/12,831,001.20
  6. Step 6: Final answer
    x = 6,288,391.41

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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.