Home / 12,793,851.54-19,178,967.51-6,398,538.66

Finding the Fourth Proportional to 12,793,851.54, 19,178,967.51 and 6,398,538.66

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Solution

The fourth proportional to 12,793,851.54, 19,178,967.51 and 6,398,538.66 is: 9,591,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,851.54 : 19,178,967.51 = 6,398,538.66 : x
  2. Step 2: Convert to fraction form
    12,793,851.54/19,178,967.51 = 6,398,538.66/x
  3. Step 3: Cross multiply
    12,793,851.54x = 19,178,967.51 × 6,398,538.66
  4. Step 4: Simplify right side
    12,793,851.54x = 122,717,365,071,618.95
  5. Step 5: Solve for x
    x = 122,717,365,071,618.95/12,793,851.54
  6. Step 6: Final answer
    x = 9,591,901.60

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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.