Home / 16,869,876.78-23,280,541.74-9,134,919.09

Finding the Fourth Proportional to 16,869,876.78, 23,280,541.74 and 9,134,919.09

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Solution

The fourth proportional to 16,869,876.78, 23,280,541.74 and 9,134,919.09 is: 12,606,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869,876.78 : 23,280,541.74 = 9,134,919.09 : x
  2. Step 2: Convert to fraction form
    16,869,876.78/23,280,541.74 = 9,134,919.09/x
  3. Step 3: Cross multiply
    16,869,876.78x = 23,280,541.74 × 9,134,919.09
  4. Step 4: Simplify right side
    16,869,876.78x = 212,665,865,166,267.81
  5. Step 5: Solve for x
    x = 212,665,865,166,267.81/16,869,876.78
  6. Step 6: Final answer
    x = 12,606,248.87

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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.