Home / 8,503,291.80-12,754,937.70-5,314,645.80

Finding the Fourth Proportional to 8,503,291.80, 12,754,937.70 and 5,314,645.80

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Solution

The fourth proportional to 8,503,291.80, 12,754,937.70 and 5,314,645.80 is: 7,971,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,291.80 : 12,754,937.70 = 5,314,645.80 : x
  2. Step 2: Convert to fraction form
    8,503,291.80/12,754,937.70 = 5,314,645.80/x
  3. Step 3: Cross multiply
    8,503,291.80x = 12,754,937.70 × 5,314,645.80
  4. Step 4: Simplify right side
    8,503,291.80x = 67,787,976,076,566.66
  5. Step 5: Solve for x
    x = 67,787,976,076,566.66/8,503,291.80
  6. Step 6: Final answer
    x = 7,971,968.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.