Home / 21,901,990.84-33,000,841.21-18,147,359.32

Finding the Fourth Proportional to 21,901,990.84, 33,000,841.21 and 18,147,359.32

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Solution

The fourth proportional to 21,901,990.84, 33,000,841.21 and 18,147,359.32 is: 27,343,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,901,990.84 : 33,000,841.21 = 18,147,359.32 : x
  2. Step 2: Convert to fraction form
    21,901,990.84/33,000,841.21 = 18,147,359.32/x
  3. Step 3: Cross multiply
    21,901,990.84x = 33,000,841.21 × 18,147,359.32
  4. Step 4: Simplify right side
    21,901,990.84x = 598,878,123,300,133.62
  5. Step 5: Solve for x
    x = 598,878,123,300,133.62/21,901,990.84
  6. Step 6: Final answer
    x = 27,343,547.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.