Home / 6,518,169.60-8,963,168.88-5,657,230.56

Finding the Fourth Proportional to 6,518,169.60, 8,963,168.88 and 5,657,230.56

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Solution

The fourth proportional to 6,518,169.60, 8,963,168.88 and 5,657,230.56 is: 7,779,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,169.60 : 8,963,168.88 = 5,657,230.56 : x
  2. Step 2: Convert to fraction form
    6,518,169.60/8,963,168.88 = 5,657,230.56/x
  3. Step 3: Cross multiply
    6,518,169.60x = 8,963,168.88 × 5,657,230.56
  4. Step 4: Simplify right side
    6,518,169.60x = 50,706,712,902,376.98
  5. Step 5: Solve for x
    x = 50,706,712,902,376.98/6,518,169.60
  6. Step 6: Final answer
    x = 7,779,287.13

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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.