Home / 28,750,811.04-39,676,671.66-15,698,587.26

Finding the Fourth Proportional to 28,750,811.04, 39,676,671.66 and 15,698,587.26

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Solution

The fourth proportional to 28,750,811.04, 39,676,671.66 and 15,698,587.26 is: 21,664,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750,811.04 : 39,676,671.66 = 15,698,587.26 : x
  2. Step 2: Convert to fraction form
    28,750,811.04/39,676,671.66 = 15,698,587.26/x
  3. Step 3: Cross multiply
    28,750,811.04x = 39,676,671.66 × 15,698,587.26
  4. Step 4: Simplify right side
    28,750,811.04x = 622,867,692,240,879
  5. Step 5: Solve for x
    x = 622,867,692,240,879/28,750,811.04
  6. Step 6: Final answer
    x = 21,664,352.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.