Home / 13,367,109.87-18,446,134.23-7,565,767.02

Finding the Fourth Proportional to 13,367,109.87, 18,446,134.23 and 7,565,767.02

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Solution

The fourth proportional to 13,367,109.87, 18,446,134.23 and 7,565,767.02 is: 10,440,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367,109.87 : 18,446,134.23 = 7,565,767.02 : x
  2. Step 2: Convert to fraction form
    13,367,109.87/18,446,134.23 = 7,565,767.02/x
  3. Step 3: Cross multiply
    13,367,109.87x = 18,446,134.23 × 7,565,767.02
  4. Step 4: Simplify right side
    13,367,109.87x = 139,559,154,003,827.09
  5. Step 5: Solve for x
    x = 139,559,154,003,827.09/13,367,109.87
  6. Step 6: Final answer
    x = 10,440,488.29

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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.