Home / 28,388,398.74-39,175,951.77-16,165,255.74

Finding the Fourth Proportional to 28,388,398.74, 39,175,951.77 and 16,165,255.74

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Solution

The fourth proportional to 28,388,398.74, 39,175,951.77 and 16,165,255.74 is: 22,308,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388,398.74 : 39,175,951.77 = 16,165,255.74 : x
  2. Step 2: Convert to fraction form
    28,388,398.74/39,175,951.77 = 16,165,255.74/x
  3. Step 3: Cross multiply
    28,388,398.74x = 39,175,951.77 × 16,165,255.74
  4. Step 4: Simplify right side
    28,388,398.74x = 633,289,279,219,955.75
  5. Step 5: Solve for x
    x = 633,289,279,219,955.75/28,388,398.74
  6. Step 6: Final answer
    x = 22,308,031.00

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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.