Home / 19,988,121.34-27,583,669.59-10,820,742.22

Finding the Fourth Proportional to 19,988,121.34, 27,583,669.59 and 10,820,742.22

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Solution

The fourth proportional to 19,988,121.34, 27,583,669.59 and 10,820,742.22 is: 14,932,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,121.34 : 27,583,669.59 = 10,820,742.22 : x
  2. Step 2: Convert to fraction form
    19,988,121.34/27,583,669.59 = 10,820,742.22/x
  3. Step 3: Cross multiply
    19,988,121.34x = 27,583,669.59 × 10,820,742.22
  4. Step 4: Simplify right side
    19,988,121.34x = 298,475,778,115,043.12
  5. Step 5: Solve for x
    x = 298,475,778,115,043.12/19,988,121.34
  6. Step 6: Final answer
    x = 14,932,657.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.