Home / 21,881,484.80-32,823,627.60-8,418,312.80

Finding the Fourth Proportional to 21,881,484.80, 32,823,627.60 and 8,418,312.80

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Solution

The fourth proportional to 21,881,484.80, 32,823,627.60 and 8,418,312.80 is: 12,628,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881,484.80 : 32,823,627.60 = 8,418,312.80 : x
  2. Step 2: Convert to fraction form
    21,881,484.80/32,823,627.60 = 8,418,312.80/x
  3. Step 3: Cross multiply
    21,881,484.80x = 32,823,627.60 × 8,418,312.80
  4. Step 4: Simplify right side
    21,881,484.80x = 276,319,564,367,513.31
  5. Step 5: Solve for x
    x = 276,319,564,367,513.31/21,881,484.80
  6. Step 6: Final answer
    x = 12,628,007.97

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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.