Home / 12,216,008.68-16,853,990.46-6,916,980.80

Finding the Fourth Proportional to 12,216,008.68, 16,853,990.46 and 6,916,980.80

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Solution

The fourth proportional to 12,216,008.68, 16,853,990.46 and 6,916,980.80 is: 9,543,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,008.68 : 16,853,990.46 = 6,916,980.80 : x
  2. Step 2: Convert to fraction form
    12,216,008.68/16,853,990.46 = 6,916,980.80/x
  3. Step 3: Cross multiply
    12,216,008.68x = 16,853,990.46 × 6,916,980.80
  4. Step 4: Simplify right side
    12,216,008.68x = 116,578,728,415,203.17
  5. Step 5: Solve for x
    x = 116,578,728,415,203.17/12,216,008.68
  6. Step 6: Final answer
    x = 9,543,111.13

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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.