Home / 15,888,906.27-21,926,602.51-8,919,581.98

Finding the Fourth Proportional to 15,888,906.27, 21,926,602.51 and 8,919,581.98

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Solution

The fourth proportional to 15,888,906.27, 21,926,602.51 and 8,919,581.98 is: 12,308,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888,906.27 : 21,926,602.51 = 8,919,581.98 : x
  2. Step 2: Convert to fraction form
    15,888,906.27/21,926,602.51 = 8,919,581.98/x
  3. Step 3: Cross multiply
    15,888,906.27x = 21,926,602.51 × 8,919,581.98
  4. Step 4: Simplify right side
    15,888,906.27x = 195,576,128,630,818.78
  5. Step 5: Solve for x
    x = 195,576,128,630,818.78/15,888,906.27
  6. Step 6: Final answer
    x = 12,308,973.65

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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.