Home / 12,178,840-16,806,793.36-7,284,062.01

Finding the Fourth Proportional to 12,178,840, 16,806,793.36 and 7,284,062.01

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Solution

The fourth proportional to 12,178,840, 16,806,793.36 and 7,284,062.01 is: 10,052,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,840 : 16,806,793.36 = 7,284,062.01 : x
  2. Step 2: Convert to fraction form
    12,178,840/16,806,793.36 = 7,284,062.01/x
  3. Step 3: Cross multiply
    12,178,840x = 16,806,793.36 × 7,284,062.01
  4. Step 4: Simplify right side
    12,178,840x = 122,421,725,023,496.25
  5. Step 5: Solve for x
    x = 122,421,725,023,496.25/12,178,840
  6. Step 6: Final answer
    x = 10,052,002.08

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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.