Home / 21,501,708.80-32,265,004.80-8,039,897.60

Finding the Fourth Proportional to 21,501,708.80, 32,265,004.80 and 8,039,897.60

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Solution

The fourth proportional to 21,501,708.80, 32,265,004.80 and 8,039,897.60 is: 12,064,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501,708.80 : 32,265,004.80 = 8,039,897.60 : x
  2. Step 2: Convert to fraction form
    21,501,708.80/32,265,004.80 = 8,039,897.60/x
  3. Step 3: Cross multiply
    21,501,708.80x = 32,265,004.80 × 8,039,897.60
  4. Step 4: Simplify right side
    21,501,708.80x = 259,407,334,655,508.47
  5. Step 5: Solve for x
    x = 259,407,334,655,508.47/21,501,708.80
  6. Step 6: Final answer
    x = 12,064,498.55

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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.