Home / 12,255,184.11-16,912,178.96-6,822,870.51

Finding the Fourth Proportional to 12,255,184.11, 16,912,178.96 and 6,822,870.51

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Solution

The fourth proportional to 12,255,184.11, 16,912,178.96 and 6,822,870.51 is: 9,415,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255,184.11 : 16,912,178.96 = 6,822,870.51 : x
  2. Step 2: Convert to fraction form
    12,255,184.11/16,912,178.96 = 6,822,870.51/x
  3. Step 3: Cross multiply
    12,255,184.11x = 16,912,178.96 × 6,822,870.51
  4. Step 4: Simplify right side
    12,255,184.11x = 115,389,607,051,912.09
  5. Step 5: Solve for x
    x = 115,389,607,051,912.09/12,255,184.11
  6. Step 6: Final answer
    x = 9,415,575.16

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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.