Home / 12,592,032.20-18,878,717.10-8,538,403.40

Finding the Fourth Proportional to 12,592,032.20, 18,878,717.10 and 8,538,403.40

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Solution

The fourth proportional to 12,592,032.20, 18,878,717.10 and 8,538,403.40 is: 12,801,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592,032.20 : 18,878,717.10 = 8,538,403.40 : x
  2. Step 2: Convert to fraction form
    12,592,032.20/18,878,717.10 = 8,538,403.40/x
  3. Step 3: Cross multiply
    12,592,032.20x = 18,878,717.10 × 8,538,403.40
  4. Step 4: Simplify right side
    12,592,032.20x = 161,194,102,274,278.16
  5. Step 5: Solve for x
    x = 161,194,102,274,278.16/12,592,032.20
  6. Step 6: Final answer
    x = 12,801,277.80

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1.5x scale

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.