Home / 21,947,937.60-32,921,906.40-9,980,673.60

Finding the Fourth Proportional to 21,947,937.60, 32,921,906.40 and 9,980,673.60

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Solution

The fourth proportional to 21,947,937.60, 32,921,906.40 and 9,980,673.60 is: 14,971,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947,937.60 : 32,921,906.40 = 9,980,673.60 : x
  2. Step 2: Convert to fraction form
    21,947,937.60/32,921,906.40 = 9,980,673.60/x
  3. Step 3: Cross multiply
    21,947,937.60x = 32,921,906.40 × 9,980,673.60
  4. Step 4: Simplify right side
    21,947,937.60x = 328,582,802,068,151
  5. Step 5: Solve for x
    x = 328,582,802,068,151/21,947,937.60
  6. Step 6: Final answer
    x = 14,971,010.40

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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.