Home / 22,301,402.88-30,776,409.60-12,512,554.96

Finding the Fourth Proportional to 22,301,402.88, 30,776,409.60 and 12,512,554.96

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Solution

The fourth proportional to 22,301,402.88, 30,776,409.60 and 12,512,554.96 is: 17,267,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301,402.88 : 30,776,409.60 = 12,512,554.96 : x
  2. Step 2: Convert to fraction form
    22,301,402.88/30,776,409.60 = 12,512,554.96/x
  3. Step 3: Cross multiply
    22,301,402.88x = 30,776,409.60 × 12,512,554.96
  4. Step 4: Simplify right side
    22,301,402.88x = 385,091,516,591,471.69
  5. Step 5: Solve for x
    x = 385,091,516,591,471.69/22,301,402.88
  6. Step 6: Final answer
    x = 17,267,591.58

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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.