Home / 10,878,476.34-16,312,099.09-3,201,123.45

Finding the Fourth Proportional to 10,878,476.34, 16,312,099.09 and 3,201,123.45

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Solution

The fourth proportional to 10,878,476.34, 16,312,099.09 and 3,201,123.45 is: 4,800,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,476.34 : 16,312,099.09 = 3,201,123.45 : x
  2. Step 2: Convert to fraction form
    10,878,476.34/16,312,099.09 = 3,201,123.45/x
  3. Step 3: Cross multiply
    10,878,476.34x = 16,312,099.09 × 3,201,123.45
  4. Step 4: Simplify right side
    10,878,476.34x = 52,217,042,915,722.66
  5. Step 5: Solve for x
    x = 52,217,042,915,722.66/10,878,476.34
  6. Step 6: Final answer
    x = 4,800,032.77

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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.