Home / 15,001,706.94-20,702,454.93-8,126,188.92

Finding the Fourth Proportional to 15,001,706.94, 20,702,454.93 and 8,126,188.92

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Solution

The fourth proportional to 15,001,706.94, 20,702,454.93 and 8,126,188.92 is: 11,214,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001,706.94 : 20,702,454.93 = 8,126,188.92 : x
  2. Step 2: Convert to fraction form
    15,001,706.94/20,702,454.93 = 8,126,188.92/x
  3. Step 3: Cross multiply
    15,001,706.94x = 20,702,454.93 × 8,126,188.92
  4. Step 4: Simplify right side
    15,001,706.94x = 168,232,059,868,965.38
  5. Step 5: Solve for x
    x = 168,232,059,868,965.38/15,001,706.94
  6. Step 6: Final answer
    x = 11,214,194.53

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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.