Home / 6,518,722.20-9,787,681.93-3,645,717.90

Finding the Fourth Proportional to 6,518,722.20, 9,787,681.93 and 3,645,717.90

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Solution

The fourth proportional to 6,518,722.20, 9,787,681.93 and 3,645,717.90 is: 5,473,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,722.20 : 9,787,681.93 = 3,645,717.90 : x
  2. Step 2: Convert to fraction form
    6,518,722.20/9,787,681.93 = 3,645,717.90/x
  3. Step 3: Cross multiply
    6,518,722.20x = 9,787,681.93 × 3,645,717.90
  4. Step 4: Simplify right side
    6,518,722.20x = 35,683,127,211,707.55
  5. Step 5: Solve for x
    x = 35,683,127,211,707.55/6,518,722.20
  6. Step 6: Final answer
    x = 5,473,945.06

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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.