Home / 21,456,083.80-32,184,125.70-12,932,032.60

Finding the Fourth Proportional to 21,456,083.80, 32,184,125.70 and 12,932,032.60

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Solution

The fourth proportional to 21,456,083.80, 32,184,125.70 and 12,932,032.60 is: 19,398,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,083.80 : 32,184,125.70 = 12,932,032.60 : x
  2. Step 2: Convert to fraction form
    21,456,083.80/32,184,125.70 = 12,932,032.60/x
  3. Step 3: Cross multiply
    21,456,083.80x = 32,184,125.70 × 12,932,032.60
  4. Step 4: Simplify right side
    21,456,083.80x = 416,206,162,754,897.81
  5. Step 5: Solve for x
    x = 416,206,162,754,897.81/21,456,083.80
  6. Step 6: Final answer
    x = 19,398,048.90

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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.