Home / 9,513,473.12-13,128,592.96-5,162,559.44

Finding the Fourth Proportional to 9,513,473.12, 13,128,592.96 and 5,162,559.44

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Solution

The fourth proportional to 9,513,473.12, 13,128,592.96 and 5,162,559.44 is: 7,124,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,473.12 : 13,128,592.96 = 5,162,559.44 : x
  2. Step 2: Convert to fraction form
    9,513,473.12/13,128,592.96 = 5,162,559.44/x
  3. Step 3: Cross multiply
    9,513,473.12x = 13,128,592.96 × 5,162,559.44
  4. Step 4: Simplify right side
    9,513,473.12x = 67,777,141,460,375.77
  5. Step 5: Solve for x
    x = 67,777,141,460,375.77/9,513,473.12
  6. Step 6: Final answer
    x = 7,124,332.05

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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.