Home / 38,068,328.72-52,534,360.29-20,664,685.76

Finding the Fourth Proportional to 38,068,328.72, 52,534,360.29 and 20,664,685.76

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Solution

The fourth proportional to 38,068,328.72, 52,534,360.29 and 20,664,685.76 is: 28,517,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068,328.72 : 52,534,360.29 = 20,664,685.76 : x
  2. Step 2: Convert to fraction form
    38,068,328.72/52,534,360.29 = 20,664,685.76/x
  3. Step 3: Cross multiply
    38,068,328.72x = 52,534,360.29 × 20,664,685.76
  4. Step 4: Simplify right side
    38,068,328.72x = 1,085,606,046,995,472.50
  5. Step 5: Solve for x
    x = 1,085,606,046,995,472.50/38,068,328.72
  6. Step 6: Final answer
    x = 28,517,302.53

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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.