Home / 39,865,920.40-59,798,880.60-39,488,006.80

Finding the Fourth Proportional to 39,865,920.40, 59,798,880.60 and 39,488,006.80

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Solution

The fourth proportional to 39,865,920.40, 59,798,880.60 and 39,488,006.80 is: 59,232,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865,920.40 : 59,798,880.60 = 39,488,006.80 : x
  2. Step 2: Convert to fraction form
    39,865,920.40/59,798,880.60 = 39,488,006.80/x
  3. Step 3: Cross multiply
    39,865,920.40x = 59,798,880.60 × 39,488,006.80
  4. Step 4: Simplify right side
    39,865,920.40x = 2,361,338,603,765,188
  5. Step 5: Solve for x
    x = 2,361,338,603,765,188/39,865,920.40
  6. Step 6: Final answer
    x = 59,232,010.20

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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.