Home / 12,308,822-18,446,729.29-9,579,664.91

Finding the Fourth Proportional to 12,308,822, 18,446,729.29 and 9,579,664.91

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Solution

The fourth proportional to 12,308,822, 18,446,729.29 and 9,579,664.91 is: 14,356,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,822 : 18,446,729.29 = 9,579,664.91 : x
  2. Step 2: Convert to fraction form
    12,308,822/18,446,729.29 = 9,579,664.91/x
  3. Step 3: Cross multiply
    12,308,822x = 18,446,729.29 × 9,579,664.91
  4. Step 4: Simplify right side
    12,308,822x = 176,713,485,283,682.22
  5. Step 5: Solve for x
    x = 176,713,485,283,682.22/12,308,822
  6. Step 6: Final answer
    x = 14,356,652.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.