Home / 13,165,445.92-18,167,756.88-7,658,834.08

Finding the Fourth Proportional to 13,165,445.92, 18,167,756.88 and 7,658,834.08

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Solution

The fourth proportional to 13,165,445.92, 18,167,756.88 and 7,658,834.08 is: 10,568,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165,445.92 : 18,167,756.88 = 7,658,834.08 : x
  2. Step 2: Convert to fraction form
    13,165,445.92/18,167,756.88 = 7,658,834.08/x
  3. Step 3: Cross multiply
    13,165,445.92x = 18,167,756.88 × 7,658,834.08
  4. Step 4: Simplify right side
    13,165,445.92x = 139,143,835,549,698.47
  5. Step 5: Solve for x
    x = 139,143,835,549,698.47/13,165,445.92
  6. Step 6: Final answer
    x = 10,568,866.14

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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.