Home / 12,505,432.95-17,257,804.02-6,998,764.59

Finding the Fourth Proportional to 12,505,432.95, 17,257,804.02 and 6,998,764.59

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Solution

The fourth proportional to 12,505,432.95, 17,257,804.02 and 6,998,764.59 is: 9,658,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505,432.95 : 17,257,804.02 = 6,998,764.59 : x
  2. Step 2: Convert to fraction form
    12,505,432.95/17,257,804.02 = 6,998,764.59/x
  3. Step 3: Cross multiply
    12,505,432.95x = 17,257,804.02 × 6,998,764.59
  4. Step 4: Simplify right side
    12,505,432.95x = 120,783,307,676,335.64
  5. Step 5: Solve for x
    x = 120,783,307,676,335.64/12,505,432.95
  6. Step 6: Final answer
    x = 9,658,466.70

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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.