Home / 12,020,846.19-17,988,168.38-10,407,165.41

Finding the Fourth Proportional to 12,020,846.19, 17,988,168.38 and 10,407,165.41

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Solution

The fourth proportional to 12,020,846.19, 17,988,168.38 and 10,407,165.41 is: 15,573,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,846.19 : 17,988,168.38 = 10,407,165.41 : x
  2. Step 2: Convert to fraction form
    12,020,846.19/17,988,168.38 = 10,407,165.41/x
  3. Step 3: Cross multiply
    12,020,846.19x = 17,988,168.38 × 10,407,165.41
  4. Step 4: Simplify right side
    12,020,846.19x = 187,205,843,611,615.06
  5. Step 5: Solve for x
    x = 187,205,843,611,615.06/12,020,846.19
  6. Step 6: Final answer
    x = 15,573,433.07

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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.