Home / 15,312,634.35-21,124,795.57-9,114,205.47

Finding the Fourth Proportional to 15,312,634.35, 21,124,795.57 and 9,114,205.47

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Solution

The fourth proportional to 15,312,634.35, 21,124,795.57 and 9,114,205.47 is: 12,573,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312,634.35 : 21,124,795.57 = 9,114,205.47 : x
  2. Step 2: Convert to fraction form
    15,312,634.35/21,124,795.57 = 9,114,205.47/x
  3. Step 3: Cross multiply
    15,312,634.35x = 21,124,795.57 × 9,114,205.47
  4. Step 4: Simplify right side
    15,312,634.35x = 192,535,727,336,725.78
  5. Step 5: Solve for x
    x = 192,535,727,336,725.78/15,312,634.35
  6. Step 6: Final answer
    x = 12,573,651.47

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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.