Home / 15,145,015.10-20,900,038.16-8,269,447.95

Finding the Fourth Proportional to 15,145,015.10, 20,900,038.16 and 8,269,447.95

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Solution

The fourth proportional to 15,145,015.10, 20,900,038.16 and 8,269,447.95 is: 11,411,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145,015.10 : 20,900,038.16 = 8,269,447.95 : x
  2. Step 2: Convert to fraction form
    15,145,015.10/20,900,038.16 = 8,269,447.95/x
  3. Step 3: Cross multiply
    15,145,015.10x = 20,900,038.16 × 8,269,447.95
  4. Step 4: Simplify right side
    15,145,015.10x = 172,831,777,737,807.41
  5. Step 5: Solve for x
    x = 172,831,777,737,807.41/15,145,015.10
  6. Step 6: Final answer
    x = 11,411,793.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.