Home / 39,399,280.40-59,098,920.60-10,649,853.20

Finding the Fourth Proportional to 39,399,280.40, 59,098,920.60 and 10,649,853.20

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Solution

The fourth proportional to 39,399,280.40, 59,098,920.60 and 10,649,853.20 is: 15,974,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,399,280.40 : 59,098,920.60 = 10,649,853.20 : x
  2. Step 2: Convert to fraction form
    39,399,280.40/59,098,920.60 = 10,649,853.20/x
  3. Step 3: Cross multiply
    39,399,280.40x = 59,098,920.60 × 10,649,853.20
  4. Step 4: Simplify right side
    39,399,280.40x = 629,394,828,668,455.88
  5. Step 5: Solve for x
    x = 629,394,828,668,455.88/39,399,280.40
  6. Step 6: Final answer
    x = 15,974,779.80

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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.