Home / 18,126,167.85-25,014,643.23-9,866,768.85

Finding the Fourth Proportional to 18,126,167.85, 25,014,643.23 and 9,866,768.85

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Solution

The fourth proportional to 18,126,167.85, 25,014,643.23 and 9,866,768.85 is: 13,616,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,167.85 : 25,014,643.23 = 9,866,768.85 : x
  2. Step 2: Convert to fraction form
    18,126,167.85/25,014,643.23 = 9,866,768.85/x
  3. Step 3: Cross multiply
    18,126,167.85x = 25,014,643.23 × 9,866,768.85
  4. Step 4: Simplify right side
    18,126,167.85x = 246,813,702,615,627.38
  5. Step 5: Solve for x
    x = 246,813,702,615,627.38/18,126,167.85
  6. Step 6: Final answer
    x = 13,616,430.38

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1.5x scale

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.