Home / 28,855,561.60-39,822,953.70-16,462,808.92

Finding the Fourth Proportional to 28,855,561.60, 39,822,953.70 and 16,462,808.92

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Solution

The fourth proportional to 28,855,561.60, 39,822,953.70 and 16,462,808.92 is: 22,719,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855,561.60 : 39,822,953.70 = 16,462,808.92 : x
  2. Step 2: Convert to fraction form
    28,855,561.60/39,822,953.70 = 16,462,808.92/x
  3. Step 3: Cross multiply
    28,855,561.60x = 39,822,953.70 × 16,462,808.92
  4. Step 4: Simplify right side
    28,855,561.60x = 655,597,677,393,107
  5. Step 5: Solve for x
    x = 655,597,677,393,107/28,855,561.60
  6. Step 6: Final answer
    x = 22,719,976.36

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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.