Home / 10,676,428.80-16,014,643.20-3,943,449.60

Finding the Fourth Proportional to 10,676,428.80, 16,014,643.20 and 3,943,449.60

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Solution

The fourth proportional to 10,676,428.80, 16,014,643.20 and 3,943,449.60 is: 5,915,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676,428.80 : 16,014,643.20 = 3,943,449.60 : x
  2. Step 2: Convert to fraction form
    10,676,428.80/16,014,643.20 = 3,943,449.60/x
  3. Step 3: Cross multiply
    10,676,428.80x = 16,014,643.20 × 3,943,449.60
  4. Step 4: Simplify right side
    10,676,428.80x = 63,152,938,321,182.72
  5. Step 5: Solve for x
    x = 63,152,938,321,182.72/10,676,428.80
  6. Step 6: Final answer
    x = 5,915,174.40

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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.