Home / 8,990,469.60-13,486,870.80-4,443,842.40

Finding the Fourth Proportional to 8,990,469.60, 13,486,870.80 and 4,443,842.40

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Solution

The fourth proportional to 8,990,469.60, 13,486,870.80 and 4,443,842.40 is: 6,666,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,469.60 : 13,486,870.80 = 4,443,842.40 : x
  2. Step 2: Convert to fraction form
    8,990,469.60/13,486,870.80 = 4,443,842.40/x
  3. Step 3: Cross multiply
    8,990,469.60x = 13,486,870.80 × 4,443,842.40
  4. Step 4: Simplify right side
    8,990,469.60x = 59,933,528,304,361.93
  5. Step 5: Solve for x
    x = 59,933,528,304,361.93/8,990,469.60
  6. Step 6: Final answer
    x = 6,666,340.13

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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.