Home / 28,911,055.41-39,896,537.27-16,520,362.70

Finding the Fourth Proportional to 28,911,055.41, 39,896,537.27 and 16,520,362.70

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Solution

The fourth proportional to 28,911,055.41, 39,896,537.27 and 16,520,362.70 is: 22,797,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,055.41 : 39,896,537.27 = 16,520,362.70 : x
  2. Step 2: Convert to fraction form
    28,911,055.41/39,896,537.27 = 16,520,362.70/x
  3. Step 3: Cross multiply
    28,911,055.41x = 39,896,537.27 × 16,520,362.70
  4. Step 4: Simplify right side
    28,911,055.41x = 659,105,265,892,383.38
  5. Step 5: Solve for x
    x = 659,105,265,892,383.38/28,911,055.41
  6. Step 6: Final answer
    x = 22,797,689.55

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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.