Home / 28,887,516.19-43,336,145.82-9,713,715.40

Finding the Fourth Proportional to 28,887,516.19, 43,336,145.82 and 9,713,715.40

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Solution

The fourth proportional to 28,887,516.19, 43,336,145.82 and 9,713,715.40 is: 14,572,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887,516.19 : 43,336,145.82 = 9,713,715.40 : x
  2. Step 2: Convert to fraction form
    28,887,516.19/43,336,145.82 = 9,713,715.40/x
  3. Step 3: Cross multiply
    28,887,516.19x = 43,336,145.82 × 9,713,715.40
  4. Step 4: Simplify right side
    28,887,516.19x = 420,954,987,118,976.19
  5. Step 5: Solve for x
    x = 420,954,987,118,976.19/28,887,516.19
  6. Step 6: Final answer
    x = 14,572,211.20

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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.