Home / 28,996,282.89-40,013,846.10-15,943,450.41

Finding the Fourth Proportional to 28,996,282.89, 40,013,846.10 and 15,943,450.41

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Solution

The fourth proportional to 28,996,282.89, 40,013,846.10 and 15,943,450.41 is: 22,001,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,282.89 : 40,013,846.10 = 15,943,450.41 : x
  2. Step 2: Convert to fraction form
    28,996,282.89/40,013,846.10 = 15,943,450.41/x
  3. Step 3: Cross multiply
    28,996,282.89x = 40,013,846.10 × 15,943,450.41
  4. Step 4: Simplify right side
    28,996,282.89x = 637,958,771,008,721.88
  5. Step 5: Solve for x
    x = 637,958,771,008,721.88/28,996,282.89
  6. Step 6: Final answer
    x = 22,001,398.37

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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.