Home / 13,555,559.02-18,690,867.16-10,111,821.34

Finding the Fourth Proportional to 13,555,559.02, 18,690,867.16 and 10,111,821.34

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Solution

The fourth proportional to 13,555,559.02, 18,690,867.16 and 10,111,821.34 is: 13,942,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,559.02 : 18,690,867.16 = 10,111,821.34 : x
  2. Step 2: Convert to fraction form
    13,555,559.02/18,690,867.16 = 10,111,821.34/x
  3. Step 3: Cross multiply
    13,555,559.02x = 18,690,867.16 × 10,111,821.34
  4. Step 4: Simplify right side
    13,555,559.02x = 188,998,709,411,593.19
  5. Step 5: Solve for x
    x = 188,998,709,411,593.19/13,555,559.02
  6. Step 6: Final answer
    x = 13,942,524.18

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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.