Home / 21,330,926.88-31,981,106.84-9,035,718.72

Finding the Fourth Proportional to 21,330,926.88, 31,981,106.84 and 9,035,718.72

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Solution

The fourth proportional to 21,330,926.88, 31,981,106.84 and 9,035,718.72 is: 13,547,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330,926.88 : 31,981,106.84 = 9,035,718.72 : x
  2. Step 2: Convert to fraction form
    21,330,926.88/31,981,106.84 = 9,035,718.72/x
  3. Step 3: Cross multiply
    21,330,926.88x = 31,981,106.84 × 9,035,718.72
  4. Step 4: Simplify right side
    21,330,926.88x = 288,972,285,715,329.50
  5. Step 5: Solve for x
    x = 288,972,285,715,329.50/21,330,926.88
  6. Step 6: Final answer
    x = 13,547,104.04

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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.