Home / 9,928,246.71-13,697,040.55-5,741,157.91

Finding the Fourth Proportional to 9,928,246.71, 13,697,040.55 and 5,741,157.91

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Solution

The fourth proportional to 9,928,246.71, 13,697,040.55 and 5,741,157.91 is: 7,920,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928,246.71 : 13,697,040.55 = 5,741,157.91 : x
  2. Step 2: Convert to fraction form
    9,928,246.71/13,697,040.55 = 5,741,157.91/x
  3. Step 3: Cross multiply
    9,928,246.71x = 13,697,040.55 × 5,741,157.91
  4. Step 4: Simplify right side
    9,928,246.71x = 78,636,872,697,223.25
  5. Step 5: Solve for x
    x = 78,636,872,697,223.25/9,928,246.71
  6. Step 6: Final answer
    x = 7,920,519.60

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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.