Home / 7,639,853.84-10,543,003.80-4,202,356.40

Finding the Fourth Proportional to 7,639,853.84, 10,543,003.80 and 4,202,356.40

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Solution

The fourth proportional to 7,639,853.84, 10,543,003.80 and 4,202,356.40 is: 5,799,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,853.84 : 10,543,003.80 = 4,202,356.40 : x
  2. Step 2: Convert to fraction form
    7,639,853.84/10,543,003.80 = 4,202,356.40/x
  3. Step 3: Cross multiply
    7,639,853.84x = 10,543,003.80 × 4,202,356.40
  4. Step 4: Simplify right side
    7,639,853.84x = 44,305,459,494,154.33
  5. Step 5: Solve for x
    x = 44,305,459,494,154.33/7,639,853.84
  6. Step 6: Final answer
    x = 5,799,254.86

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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.