Home / 12,451,106.80-18,676,660.20-9,023,312.35

Finding the Fourth Proportional to 12,451,106.80, 18,676,660.20 and 9,023,312.35

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Solution

The fourth proportional to 12,451,106.80, 18,676,660.20 and 9,023,312.35 is: 13,534,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,106.80 : 18,676,660.20 = 9,023,312.35 : x
  2. Step 2: Convert to fraction form
    12,451,106.80/18,676,660.20 = 9,023,312.35/x
  3. Step 3: Cross multiply
    12,451,106.80x = 18,676,660.20 × 9,023,312.35
  4. Step 4: Simplify right side
    12,451,106.80x = 168,525,338,639,413.47
  5. Step 5: Solve for x
    x = 168,525,338,639,413.47/12,451,106.80
  6. Step 6: Final answer
    x = 13,534,968.53

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Similar ratio
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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.