Home / 16,222,080.81-22,386,438.95-8,879,916

Finding the Fourth Proportional to 16,222,080.81, 22,386,438.95 and 8,879,916

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Solution

The fourth proportional to 16,222,080.81, 22,386,438.95 and 8,879,916 is: 12,254,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222,080.81 : 22,386,438.95 = 8,879,916 : x
  2. Step 2: Convert to fraction form
    16,222,080.81/22,386,438.95 = 8,879,916/x
  3. Step 3: Cross multiply
    16,222,080.81x = 22,386,438.95 × 8,879,916
  4. Step 4: Simplify right side
    16,222,080.81x = 198,789,697,370,728.62
  5. Step 5: Solve for x
    x = 198,789,697,370,728.62/16,222,080.81
  6. Step 6: Final answer
    x = 12,254,266.25

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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.