Home / 12,826,444.03-17,700,837.06-7,244,242.72

Finding the Fourth Proportional to 12,826,444.03, 17,700,837.06 and 7,244,242.72

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Solution

The fourth proportional to 12,826,444.03, 17,700,837.06 and 7,244,242.72 is: 9,997,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,444.03 : 17,700,837.06 = 7,244,242.72 : x
  2. Step 2: Convert to fraction form
    12,826,444.03/17,700,837.06 = 7,244,242.72/x
  3. Step 3: Cross multiply
    12,826,444.03x = 17,700,837.06 × 7,244,242.72
  4. Step 4: Simplify right side
    12,826,444.03x = 128,229,160,009,811.19
  5. Step 5: Solve for x
    x = 128,229,160,009,811.19/12,826,444.03
  6. Step 6: Final answer
    x = 9,997,249.41

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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.