Home / 15,983,821.02-22,057,225.10-8,740,321.50

Finding the Fourth Proportional to 15,983,821.02, 22,057,225.10 and 8,740,321.50

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Solution

The fourth proportional to 15,983,821.02, 22,057,225.10 and 8,740,321.50 is: 12,061,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983,821.02 : 22,057,225.10 = 8,740,321.50 : x
  2. Step 2: Convert to fraction form
    15,983,821.02/22,057,225.10 = 8,740,321.50/x
  3. Step 3: Cross multiply
    15,983,821.02x = 22,057,225.10 × 8,740,321.50
  4. Step 4: Simplify right side
    15,983,821.02x = 192,787,238,771,869.66
  5. Step 5: Solve for x
    x = 192,787,238,771,869.66/15,983,821.02
  6. Step 6: Final answer
    x = 12,061,398.74

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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.