Home / 10,865,814.40-16,298,721.60-6,561,142.30

Finding the Fourth Proportional to 10,865,814.40, 16,298,721.60 and 6,561,142.30

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Solution

The fourth proportional to 10,865,814.40, 16,298,721.60 and 6,561,142.30 is: 9,841,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,814.40 : 16,298,721.60 = 6,561,142.30 : x
  2. Step 2: Convert to fraction form
    10,865,814.40/16,298,721.60 = 6,561,142.30/x
  3. Step 3: Cross multiply
    10,865,814.40x = 16,298,721.60 × 6,561,142.30
  4. Step 4: Simplify right side
    10,865,814.40x = 106,938,231,725,683.67
  5. Step 5: Solve for x
    x = 106,938,231,725,683.67/10,865,814.40
  6. Step 6: Final answer
    x = 9,841,713.45

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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.