Home / 11,657,109.28-16,086,915.48-6,430,317.52

Finding the Fourth Proportional to 11,657,109.28, 16,086,915.48 and 6,430,317.52

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Solution

The fourth proportional to 11,657,109.28, 16,086,915.48 and 6,430,317.52 is: 8,873,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,109.28 : 16,086,915.48 = 6,430,317.52 : x
  2. Step 2: Convert to fraction form
    11,657,109.28/16,086,915.48 = 6,430,317.52/x
  3. Step 3: Cross multiply
    11,657,109.28x = 16,086,915.48 × 6,430,317.52
  4. Step 4: Simplify right side
    11,657,109.28x = 103,443,974,453,803.20
  5. Step 5: Solve for x
    x = 103,443,974,453,803.20/11,657,109.28
  6. Step 6: Final answer
    x = 8,873,895.92

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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.