Home / 12,560,081.60-18,840,122.40-4,580,868.80

Finding the Fourth Proportional to 12,560,081.60, 18,840,122.40 and 4,580,868.80

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Solution

The fourth proportional to 12,560,081.60, 18,840,122.40 and 4,580,868.80 is: 6,871,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560,081.60 : 18,840,122.40 = 4,580,868.80 : x
  2. Step 2: Convert to fraction form
    12,560,081.60/18,840,122.40 = 4,580,868.80/x
  3. Step 3: Cross multiply
    12,560,081.60x = 18,840,122.40 × 4,580,868.80
  4. Step 4: Simplify right side
    12,560,081.60x = 86,304,128,890,341.11
  5. Step 5: Solve for x
    x = 86,304,128,890,341.11/12,560,081.60
  6. Step 6: Final answer
    x = 6,871,303.20

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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.