Home / 19,152,069.10-28,728,103.65-11,971,710.70

Finding the Fourth Proportional to 19,152,069.10, 28,728,103.65 and 11,971,710.70

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Solution

The fourth proportional to 19,152,069.10, 28,728,103.65 and 11,971,710.70 is: 17,957,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,069.10 : 28,728,103.65 = 11,971,710.70 : x
  2. Step 2: Convert to fraction form
    19,152,069.10/28,728,103.65 = 11,971,710.70/x
  3. Step 3: Cross multiply
    19,152,069.10x = 28,728,103.65 × 11,971,710.70
  4. Step 4: Simplify right side
    19,152,069.10x = 343,924,545,857,414
  5. Step 5: Solve for x
    x = 343,924,545,857,414/19,152,069.10
  6. Step 6: Final answer
    x = 17,957,566.05

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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.