Home / 38,041,885.70-52,497,904.02-20,638,230.92

Finding the Fourth Proportional to 38,041,885.70, 52,497,904.02 and 20,638,230.92

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Solution

The fourth proportional to 38,041,885.70, 52,497,904.02 and 20,638,230.92 is: 28,480,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,041,885.70 : 52,497,904.02 = 20,638,230.92 : x
  2. Step 2: Convert to fraction form
    38,041,885.70/52,497,904.02 = 20,638,230.92/x
  3. Step 3: Cross multiply
    38,041,885.70x = 52,497,904.02 × 20,638,230.92
  4. Step 4: Simplify right side
    38,041,885.70x = 1,083,463,866,112,001.12
  5. Step 5: Solve for x
    x = 1,083,463,866,112,001.12/38,041,885.70
  6. Step 6: Final answer
    x = 28,480,813.87

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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.