Home / 11,216,505.18-16,818,018.93-4,384,941.78

Finding the Fourth Proportional to 11,216,505.18, 16,818,018.93 and 4,384,941.78

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Solution

The fourth proportional to 11,216,505.18, 16,818,018.93 and 4,384,941.78 is: 6,574,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216,505.18 : 16,818,018.93 = 4,384,941.78 : x
  2. Step 2: Convert to fraction form
    11,216,505.18/16,818,018.93 = 4,384,941.78/x
  3. Step 3: Cross multiply
    11,216,505.18x = 16,818,018.93 × 4,384,941.78
  4. Step 4: Simplify right side
    11,216,505.18x = 73,746,033,862,987.91
  5. Step 5: Solve for x
    x = 73,746,033,862,987.91/11,216,505.18
  6. Step 6: Final answer
    x = 6,574,778.21

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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.