Home / 8,707,385.95-12,016,200.30-4,787,208.77

Finding the Fourth Proportional to 8,707,385.95, 12,016,200.30 and 4,787,208.77

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Solution

The fourth proportional to 8,707,385.95, 12,016,200.30 and 4,787,208.77 is: 6,606,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707,385.95 : 12,016,200.30 = 4,787,208.77 : x
  2. Step 2: Convert to fraction form
    8,707,385.95/12,016,200.30 = 4,787,208.77/x
  3. Step 3: Cross multiply
    8,707,385.95x = 12,016,200.30 × 4,787,208.77
  4. Step 4: Simplify right side
    8,707,385.95x = 57,524,059,434,300.58
  5. Step 5: Solve for x
    x = 57,524,059,434,300.58/8,707,385.95
  6. Step 6: Final answer
    x = 6,606,352.33

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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.