Home / 22,551,055.56-31,120,477.02-12,237,778.76

Finding the Fourth Proportional to 22,551,055.56, 31,120,477.02 and 12,237,778.76

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Solution

The fourth proportional to 22,551,055.56, 31,120,477.02 and 12,237,778.76 is: 16,888,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,551,055.56 : 31,120,477.02 = 12,237,778.76 : x
  2. Step 2: Convert to fraction form
    22,551,055.56/31,120,477.02 = 12,237,778.76/x
  3. Step 3: Cross multiply
    22,551,055.56x = 31,120,477.02 × 12,237,778.76
  4. Step 4: Simplify right side
    22,551,055.56x = 380,845,512,520,821.75
  5. Step 5: Solve for x
    x = 380,845,512,520,821.75/22,551,055.56
  6. Step 6: Final answer
    x = 16,888,145.72

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Double scale
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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.