Home / 13,358,999.12-18,435,425.46-7,247,426

Finding the Fourth Proportional to 13,358,999.12, 18,435,425.46 and 7,247,426

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Solution

The fourth proportional to 13,358,999.12, 18,435,425.46 and 7,247,426 is: 10,001,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,999.12 : 18,435,425.46 = 7,247,426 : x
  2. Step 2: Convert to fraction form
    13,358,999.12/18,435,425.46 = 7,247,426/x
  3. Step 3: Cross multiply
    13,358,999.12x = 18,435,425.46 × 7,247,426
  4. Step 4: Simplify right side
    13,358,999.12x = 133,609,381,799,865.97
  5. Step 5: Solve for x
    x = 133,609,381,799,865.97/13,358,999.12
  6. Step 6: Final answer
    x = 10,001,451.50

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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.