Home / 14,631,582.39-20,191,319.45-8,105,191.66

Finding the Fourth Proportional to 14,631,582.39, 20,191,319.45 and 8,105,191.66

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Solution

The fourth proportional to 14,631,582.39, 20,191,319.45 and 8,105,191.66 is: 11,185,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631,582.39 : 20,191,319.45 = 8,105,191.66 : x
  2. Step 2: Convert to fraction form
    14,631,582.39/20,191,319.45 = 8,105,191.66/x
  3. Step 3: Cross multiply
    14,631,582.39x = 20,191,319.45 × 8,105,191.66
  4. Step 4: Simplify right side
    14,631,582.39x = 163,654,514,025,643.44
  5. Step 5: Solve for x
    x = 163,654,514,025,643.44/14,631,582.39
  6. Step 6: Final answer
    x = 11,185,018.11

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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.