Home / 13,720,205.46-18,935,046.46-7,610,602.26

Finding the Fourth Proportional to 13,720,205.46, 18,935,046.46 and 7,610,602.26

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Solution

The fourth proportional to 13,720,205.46, 18,935,046.46 and 7,610,602.26 is: 10,503,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,205.46 : 18,935,046.46 = 7,610,602.26 : x
  2. Step 2: Convert to fraction form
    13,720,205.46/18,935,046.46 = 7,610,602.26/x
  3. Step 3: Cross multiply
    13,720,205.46x = 18,935,046.46 × 7,610,602.26
  4. Step 4: Simplify right side
    13,720,205.46x = 144,107,107,381,681
  5. Step 5: Solve for x
    x = 144,107,107,381,681/13,720,205.46
  6. Step 6: Final answer
    x = 10,503,276.19

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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.