Home / 8,318,218.80-12,477,328.20-5,578,345.20

Finding the Fourth Proportional to 8,318,218.80, 12,477,328.20 and 5,578,345.20

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Solution

The fourth proportional to 8,318,218.80, 12,477,328.20 and 5,578,345.20 is: 8,367,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,218.80 : 12,477,328.20 = 5,578,345.20 : x
  2. Step 2: Convert to fraction form
    8,318,218.80/12,477,328.20 = 5,578,345.20/x
  3. Step 3: Cross multiply
    8,318,218.80x = 12,477,328.20 × 5,578,345.20
  4. Step 4: Simplify right side
    8,318,218.80x = 69,602,843,873,294.64
  5. Step 5: Solve for x
    x = 69,602,843,873,294.64/8,318,218.80
  6. Step 6: Final answer
    x = 8,367,517.80

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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.