Home / 13,426,587.19-18,530,912.46-7,921,307.98

Finding the Fourth Proportional to 13,426,587.19, 18,530,912.46 and 7,921,307.98

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Solution

The fourth proportional to 13,426,587.19, 18,530,912.46 and 7,921,307.98 is: 10,932,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,587.19 : 18,530,912.46 = 7,921,307.98 : x
  2. Step 2: Convert to fraction form
    13,426,587.19/18,530,912.46 = 7,921,307.98/x
  3. Step 3: Cross multiply
    13,426,587.19x = 18,530,912.46 × 7,921,307.98
  4. Step 4: Simplify right side
    13,426,587.19x = 146,789,064,746,079.44
  5. Step 5: Solve for x
    x = 146,789,064,746,079.44/13,426,587.19
  6. Step 6: Final answer
    x = 10,932,716.01

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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.