Home / 11,445,568.32-17,182,920.75-7,418,905.86

Finding the Fourth Proportional to 11,445,568.32, 17,182,920.75 and 7,418,905.86

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Solution

The fourth proportional to 11,445,568.32, 17,182,920.75 and 7,418,905.86 is: 11,137,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445,568.32 : 17,182,920.75 = 7,418,905.86 : x
  2. Step 2: Convert to fraction form
    11,445,568.32/17,182,920.75 = 7,418,905.86/x
  3. Step 3: Cross multiply
    11,445,568.32x = 17,182,920.75 × 7,418,905.86
  4. Step 4: Simplify right side
    11,445,568.32x = 127,478,471,444,090.59
  5. Step 5: Solve for x
    x = 127,478,471,444,090.59/11,445,568.32
  6. Step 6: Final answer
    x = 11,137,801.80

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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.