Home / 7,175,572.29-10,768,402.22-6,489,515.18

Finding the Fourth Proportional to 7,175,572.29, 10,768,402.22 and 6,489,515.18

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Solution

The fourth proportional to 7,175,572.29, 10,768,402.22 and 6,489,515.18 is: 9,738,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,572.29 : 10,768,402.22 = 6,489,515.18 : x
  2. Step 2: Convert to fraction form
    7,175,572.29/10,768,402.22 = 6,489,515.18/x
  3. Step 3: Cross multiply
    7,175,572.29x = 10,768,402.22 × 6,489,515.18
  4. Step 4: Simplify right side
    7,175,572.29x = 69,881,709,584,746.11
  5. Step 5: Solve for x
    x = 69,881,709,584,746.11/7,175,572.29
  6. Step 6: Final answer
    x = 9,738,834.30

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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.