Home / 14,068,286.81-21,091,405.71-5,554,995.65

Finding the Fourth Proportional to 14,068,286.81, 21,091,405.71 and 5,554,995.65

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Solution

The fourth proportional to 14,068,286.81, 21,091,405.71 and 5,554,995.65 is: 8,328,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068,286.81 : 21,091,405.71 = 5,554,995.65 : x
  2. Step 2: Convert to fraction form
    14,068,286.81/21,091,405.71 = 5,554,995.65/x
  3. Step 3: Cross multiply
    14,068,286.81x = 21,091,405.71 × 5,554,995.65
  4. Step 4: Simplify right side
    14,068,286.81x = 117,162,666,971,435.17
  5. Step 5: Solve for x
    x = 117,162,666,971,435.17/14,068,286.81
  6. Step 6: Final answer
    x = 8,328,140.35

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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.