Home / 28,669,058.22-43,006,064.47-7,919,489.08

Finding the Fourth Proportional to 28,669,058.22, 43,006,064.47 and 7,919,489.08

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Solution

The fourth proportional to 28,669,058.22, 43,006,064.47 and 7,919,489.08 is: 11,879,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669,058.22 : 43,006,064.47 = 7,919,489.08 : x
  2. Step 2: Convert to fraction form
    28,669,058.22/43,006,064.47 = 7,919,489.08/x
  3. Step 3: Cross multiply
    28,669,058.22x = 43,006,064.47 × 7,919,489.08
  4. Step 4: Simplify right side
    28,669,058.22x = 340,586,057,927,350.19
  5. Step 5: Solve for x
    x = 340,586,057,927,350.19/28,669,058.22
  6. Step 6: Final answer
    x = 11,879,917.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.