Home / 9,515,345.11-13,130,842.29-5,164,343.84

Finding the Fourth Proportional to 9,515,345.11, 13,130,842.29 and 5,164,343.84

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Solution

The fourth proportional to 9,515,345.11, 13,130,842.29 and 5,164,343.84 is: 7,126,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,345.11 : 13,130,842.29 = 5,164,343.84 : x
  2. Step 2: Convert to fraction form
    9,515,345.11/13,130,842.29 = 5,164,343.84/x
  3. Step 3: Cross multiply
    9,515,345.11x = 13,130,842.29 × 5,164,343.84
  4. Step 4: Simplify right side
    9,515,345.11x = 67,812,184,494,372.98
  5. Step 5: Solve for x
    x = 67,812,184,494,372.98/9,515,345.11
  6. Step 6: Final answer
    x = 7,126,613.25

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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.