Home / 20,736,117.60-31,104,176.40-13,083,367.20

Finding the Fourth Proportional to 20,736,117.60, 31,104,176.40 and 13,083,367.20

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Solution

The fourth proportional to 20,736,117.60, 31,104,176.40 and 13,083,367.20 is: 19,625,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,117.60 : 31,104,176.40 = 13,083,367.20 : x
  2. Step 2: Convert to fraction form
    20,736,117.60/31,104,176.40 = 13,083,367.20/x
  3. Step 3: Cross multiply
    20,736,117.60x = 31,104,176.40 × 13,083,367.20
  4. Step 4: Simplify right side
    20,736,117.60x = 406,947,361,294,774.06
  5. Step 5: Solve for x
    x = 406,947,361,294,774.06/20,736,117.60
  6. Step 6: Final answer
    x = 19,625,050.80

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1.5x scale

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.