Home / 9,220,512.30-13,830,768.45-8,307,221.10

Finding the Fourth Proportional to 9,220,512.30, 13,830,768.45 and 8,307,221.10

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Solution

The fourth proportional to 9,220,512.30, 13,830,768.45 and 8,307,221.10 is: 12,460,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,512.30 : 13,830,768.45 = 8,307,221.10 : x
  2. Step 2: Convert to fraction form
    9,220,512.30/13,830,768.45 = 8,307,221.10/x
  3. Step 3: Cross multiply
    9,220,512.30x = 13,830,768.45 × 8,307,221.10
  4. Step 4: Simplify right side
    9,220,512.30x = 114,895,251,497,054.28
  5. Step 5: Solve for x
    x = 114,895,251,497,054.28/9,220,512.30
  6. Step 6: Final answer
    x = 12,460,831.65

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Double scale
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Similar ratio
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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.