Home / 14,036,900.40-21,055,350.60-8,580,772.80

Finding the Fourth Proportional to 14,036,900.40, 21,055,350.60 and 8,580,772.80

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Solution

The fourth proportional to 14,036,900.40, 21,055,350.60 and 8,580,772.80 is: 12,871,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,900.40 : 21,055,350.60 = 8,580,772.80 : x
  2. Step 2: Convert to fraction form
    14,036,900.40/21,055,350.60 = 8,580,772.80/x
  3. Step 3: Cross multiply
    14,036,900.40x = 21,055,350.60 × 8,580,772.80
  4. Step 4: Simplify right side
    14,036,900.40x = 180,671,179,722,943.72
  5. Step 5: Solve for x
    x = 180,671,179,722,943.72/14,036,900.40
  6. Step 6: Final answer
    x = 12,871,159.20

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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.