Home / 16,864,637.81-23,273,207.69-9,129,679.88

Finding the Fourth Proportional to 16,864,637.81, 23,273,207.69 and 9,129,679.88

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Solution

The fourth proportional to 16,864,637.81, 23,273,207.69 and 9,129,679.88 is: 12,598,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864,637.81 : 23,273,207.69 = 9,129,679.88 : x
  2. Step 2: Convert to fraction form
    16,864,637.81/23,273,207.69 = 9,129,679.88/x
  3. Step 3: Cross multiply
    16,864,637.81x = 23,273,207.69 × 9,129,679.88
  4. Step 4: Simplify right side
    16,864,637.81x = 212,476,935,828,439.81
  5. Step 5: Solve for x
    x = 212,476,935,828,439.81/16,864,637.81
  6. Step 6: Final answer
    x = 12,598,962.30

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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.