Home / 6,915,246.74-9,534,169.17-5,670,270.21

Finding the Fourth Proportional to 6,915,246.74, 9,534,169.17 and 5,670,270.21

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Solution

The fourth proportional to 6,915,246.74, 9,534,169.17 and 5,670,270.21 is: 7,817,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,246.74 : 9,534,169.17 = 5,670,270.21 : x
  2. Step 2: Convert to fraction form
    6,915,246.74/9,534,169.17 = 5,670,270.21/x
  3. Step 3: Cross multiply
    6,915,246.74x = 9,534,169.17 × 5,670,270.21
  4. Step 4: Simplify right side
    6,915,246.74x = 54,061,315,421,751.42
  5. Step 5: Solve for x
    x = 54,061,315,421,751.42/6,915,246.74
  6. Step 6: Final answer
    x = 7,817,698.70

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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.