Home / 13,266,723.14-18,307,863.51-7,465,501.52

Finding the Fourth Proportional to 13,266,723.14, 18,307,863.51 and 7,465,501.52

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Solution

The fourth proportional to 13,266,723.14, 18,307,863.51 and 7,465,501.52 is: 10,302,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266,723.14 : 18,307,863.51 = 7,465,501.52 : x
  2. Step 2: Convert to fraction form
    13,266,723.14/18,307,863.51 = 7,465,501.52/x
  3. Step 3: Cross multiply
    13,266,723.14x = 18,307,863.51 × 7,465,501.52
  4. Step 4: Simplify right side
    13,266,723.14x = 136,677,382,861,857.55
  5. Step 5: Solve for x
    x = 136,677,382,861,857.55/13,266,723.14
  6. Step 6: Final answer
    x = 10,302,271.44

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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.