Home / 18,432,977.40-27,670,461.30-10,864,207.80

Finding the Fourth Proportional to 18,432,977.40, 27,670,461.30 and 10,864,207.80

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Solution

The fourth proportional to 18,432,977.40, 27,670,461.30 and 10,864,207.80 is: 16,308,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,977.40 : 27,670,461.30 = 10,864,207.80 : x
  2. Step 2: Convert to fraction form
    18,432,977.40/27,670,461.30 = 10,864,207.80/x
  3. Step 3: Cross multiply
    18,432,977.40x = 27,670,461.30 × 10,864,207.80
  4. Step 4: Simplify right side
    18,432,977.40x = 300,617,641,485,058.19
  5. Step 5: Solve for x
    x = 300,617,641,485,058.19/18,432,977.40
  6. Step 6: Final answer
    x = 16,308,686.06

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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.