Home / 8,374,966.40-12,505,717.54-6,649,751.36

Finding the Fourth Proportional to 8,374,966.40, 12,505,717.54 and 6,649,751.36

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Solution

The fourth proportional to 8,374,966.40, 12,505,717.54 and 6,649,751.36 is: 9,929,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374,966.40 : 12,505,717.54 = 6,649,751.36 : x
  2. Step 2: Convert to fraction form
    8,374,966.40/12,505,717.54 = 6,649,751.36/x
  3. Step 3: Cross multiply
    8,374,966.40x = 12,505,717.54 × 6,649,751.36
  4. Step 4: Simplify right side
    8,374,966.40x = 83,159,912,219,390.86
  5. Step 5: Solve for x
    x = 83,159,912,219,390.86/8,374,966.40
  6. Step 6: Final answer
    x = 9,929,581.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.