Home / 21,145,115.41-31,717,700.75-5,792,541.66

Finding the Fourth Proportional to 21,145,115.41, 31,717,700.75 and 5,792,541.66

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Solution

The fourth proportional to 21,145,115.41, 31,717,700.75 and 5,792,541.66 is: 8,688,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,145,115.41 : 31,717,700.75 = 5,792,541.66 : x
  2. Step 2: Convert to fraction form
    21,145,115.41/31,717,700.75 = 5,792,541.66/x
  3. Step 3: Cross multiply
    21,145,115.41x = 31,717,700.75 × 5,792,541.66
  4. Step 4: Simplify right side
    21,145,115.41x = 183,726,102,968,269.62
  5. Step 5: Solve for x
    x = 183,726,102,968,269.62/21,145,115.41
  6. Step 6: Final answer
    x = 8,688,820.06

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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.