Home / 16,916,901.69-23,345,031.40-9,181,778.01

Finding the Fourth Proportional to 16,916,901.69, 23,345,031.40 and 9,181,778.01

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Solution

The fourth proportional to 16,916,901.69, 23,345,031.40 and 9,181,778.01 is: 12,670,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916,901.69 : 23,345,031.40 = 9,181,778.01 : x
  2. Step 2: Convert to fraction form
    16,916,901.69/23,345,031.40 = 9,181,778.01/x
  3. Step 3: Cross multiply
    16,916,901.69x = 23,345,031.40 × 9,181,778.01
  4. Step 4: Simplify right side
    16,916,901.69x = 214,348,895,951,279.50
  5. Step 5: Solve for x
    x = 214,348,895,951,279.50/16,916,901.69
  6. Step 6: Final answer
    x = 12,670,694.66

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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.