Home / 13,678,132.23-18,867,598.92-9,031,960.08

Finding the Fourth Proportional to 13,678,132.23, 18,867,598.92 and 9,031,960.08

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Solution

The fourth proportional to 13,678,132.23, 18,867,598.92 and 9,031,960.08 is: 12,458,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678,132.23 : 18,867,598.92 = 9,031,960.08 : x
  2. Step 2: Convert to fraction form
    13,678,132.23/18,867,598.92 = 9,031,960.08/x
  3. Step 3: Cross multiply
    13,678,132.23x = 18,867,598.92 × 9,031,960.08
  4. Step 4: Simplify right side
    13,678,132.23x = 170,411,400,250,891.12
  5. Step 5: Solve for x
    x = 170,411,400,250,891.12/13,678,132.23
  6. Step 6: Final answer
    x = 12,458,674.72

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1.5x scale

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.