Home / 8,958,040.80-13,437,061.20-4,912,965.60

Finding the Fourth Proportional to 8,958,040.80, 13,437,061.20 and 4,912,965.60

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Solution

The fourth proportional to 8,958,040.80, 13,437,061.20 and 4,912,965.60 is: 7,369,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958,040.80 : 13,437,061.20 = 4,912,965.60 : x
  2. Step 2: Convert to fraction form
    8,958,040.80/13,437,061.20 = 4,912,965.60/x
  3. Step 3: Cross multiply
    8,958,040.80x = 13,437,061.20 × 4,912,965.60
  4. Step 4: Simplify right side
    8,958,040.80x = 66,015,819,440,694.71
  5. Step 5: Solve for x
    x = 66,015,819,440,694.71/8,958,040.80
  6. Step 6: Final answer
    x = 7,369,448.40

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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.