Home / 10,631,946.10-15,963,665.55-8,238,493.30

Finding the Fourth Proportional to 10,631,946.10, 15,963,665.55 and 8,238,493.30

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Solution

The fourth proportional to 10,631,946.10, 15,963,665.55 and 8,238,493.30 is: 12,369,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,946.10 : 15,963,665.55 = 8,238,493.30 : x
  2. Step 2: Convert to fraction form
    10,631,946.10/15,963,665.55 = 8,238,493.30/x
  3. Step 3: Cross multiply
    10,631,946.10x = 15,963,665.55 × 8,238,493.30
  4. Step 4: Simplify right side
    10,631,946.10x = 131,516,551,677,115.81
  5. Step 5: Solve for x
    x = 131,516,551,677,115.81/10,631,946.10
  6. Step 6: Final answer
    x = 12,369,941.54

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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.