Home / 11,110,855.72-16,667,617.02-3,920,905

Finding the Fourth Proportional to 11,110,855.72, 16,667,617.02 and 3,920,905

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Solution

The fourth proportional to 11,110,855.72, 16,667,617.02 and 3,920,905 is: 5,881,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110,855.72 : 16,667,617.02 = 3,920,905 : x
  2. Step 2: Convert to fraction form
    11,110,855.72/16,667,617.02 = 3,920,905/x
  3. Step 3: Cross multiply
    11,110,855.72x = 16,667,617.02 × 3,920,905
  4. Step 4: Simplify right side
    11,110,855.72x = 65,352,142,911,803.10
  5. Step 5: Solve for x
    x = 65,352,142,911,803.10/11,110,855.72
  6. Step 6: Final answer
    x = 5,881,828.06

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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.