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Finding the Fourth Proportional to 21,791,911.86, 32,676,518.07 and 8,133,827.13

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Solution

The fourth proportional to 21,791,911.86, 32,676,518.07 and 8,133,827.13 is: 12,196,504.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,911.86 : 32,676,518.07 = 8,133,827.13 : x
  2. Step 2: Convert to fraction form
    21,791,911.86/32,676,518.07 = 8,133,827.13/x
  3. Step 3: Cross multiply
    21,791,911.86x = 32,676,518.07 × 8,133,827.13
  4. Step 4: Simplify right side
    21,791,911.86x = 265,785,149,191,701.25
  5. Step 5: Solve for x
    x = 265,785,149,191,701.25/21,791,911.86
  6. Step 6: Final answer
    x = 12,196,504.41

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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.