Home / 38,335,491.63-52,902,713.39-20,931,826.77

Finding the Fourth Proportional to 38,335,491.63, 52,902,713.39 and 20,931,826.77

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Solution

The fourth proportional to 38,335,491.63, 52,902,713.39 and 20,931,826.77 is: 28,885,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335,491.63 : 52,902,713.39 = 20,931,826.77 : x
  2. Step 2: Convert to fraction form
    38,335,491.63/52,902,713.39 = 20,931,826.77/x
  3. Step 3: Cross multiply
    38,335,491.63x = 52,902,713.39 × 20,931,826.77
  4. Step 4: Simplify right side
    38,335,491.63x = 1,107,350,432,237,780.25
  5. Step 5: Solve for x
    x = 1,107,350,432,237,780.25/38,335,491.63
  6. Step 6: Final answer
    x = 28,885,776.21

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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.