Home / 8,554,810.91-12,828,017.33-4,231,866.43

Finding the Fourth Proportional to 8,554,810.91, 12,828,017.33 and 4,231,866.43

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Solution

The fourth proportional to 8,554,810.91, 12,828,017.33 and 4,231,866.43 is: 6,345,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554,810.91 : 12,828,017.33 = 4,231,866.43 : x
  2. Step 2: Convert to fraction form
    8,554,810.91/12,828,017.33 = 4,231,866.43/x
  3. Step 3: Cross multiply
    8,554,810.91x = 12,828,017.33 × 4,231,866.43
  4. Step 4: Simplify right side
    8,554,810.91x = 54,286,455,849,055.86
  5. Step 5: Solve for x
    x = 54,286,455,849,055.86/8,554,810.91
  6. Step 6: Final answer
    x = 6,345,722.47

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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.