Home / 12,288,168.47-16,964,047.64-8,976,745.10

Finding the Fourth Proportional to 12,288,168.47, 16,964,047.64 and 8,976,745.10

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Solution

The fourth proportional to 12,288,168.47, 16,964,047.64 and 8,976,745.10 is: 12,392,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,168.47 : 16,964,047.64 = 8,976,745.10 : x
  2. Step 2: Convert to fraction form
    12,288,168.47/16,964,047.64 = 8,976,745.10/x
  3. Step 3: Cross multiply
    12,288,168.47x = 16,964,047.64 × 8,976,745.10
  4. Step 4: Simplify right side
    12,288,168.47x = 152,281,931,398,832.62
  5. Step 5: Solve for x
    x = 152,281,931,398,832.62/12,288,168.47
  6. Step 6: Final answer
    x = 12,392,565.40

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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.