Home / 7,129,204.40-10,693,806.60-6,625,319.60

Finding the Fourth Proportional to 7,129,204.40, 10,693,806.60 and 6,625,319.60

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Solution

The fourth proportional to 7,129,204.40, 10,693,806.60 and 6,625,319.60 is: 9,937,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,204.40 : 10,693,806.60 = 6,625,319.60 : x
  2. Step 2: Convert to fraction form
    7,129,204.40/10,693,806.60 = 6,625,319.60/x
  3. Step 3: Cross multiply
    7,129,204.40x = 10,693,806.60 × 6,625,319.60
  4. Step 4: Simplify right side
    7,129,204.40x = 70,849,886,465,589.36
  5. Step 5: Solve for x
    x = 70,849,886,465,589.36/7,129,204.40
  6. Step 6: Final answer
    x = 9,937,979.40

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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.