Home / 21,432,929.60-32,152,936.80-9,929,892.80

Finding the Fourth Proportional to 21,432,929.60, 32,152,936.80 and 9,929,892.80

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Solution

The fourth proportional to 21,432,929.60, 32,152,936.80 and 9,929,892.80 is: 14,896,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432,929.60 : 32,152,936.80 = 9,929,892.80 : x
  2. Step 2: Convert to fraction form
    21,432,929.60/32,152,936.80 = 9,929,892.80/x
  3. Step 3: Cross multiply
    21,432,929.60x = 32,152,936.80 × 9,929,892.80
  4. Step 4: Simplify right side
    21,432,929.60x = 319,275,215,629,175.06
  5. Step 5: Solve for x
    x = 319,275,215,629,175.06/21,432,929.60
  6. Step 6: Final answer
    x = 14,896,480.40

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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.