Home / 7,915,893.66-11,854,492.71-7,149,123.94

Finding the Fourth Proportional to 7,915,893.66, 11,854,492.71 and 7,149,123.94

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Solution

The fourth proportional to 7,915,893.66, 11,854,492.71 and 7,149,123.94 is: 10,706,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915,893.66 : 11,854,492.71 = 7,149,123.94 : x
  2. Step 2: Convert to fraction form
    7,915,893.66/11,854,492.71 = 7,149,123.94/x
  3. Step 3: Cross multiply
    7,915,893.66x = 11,854,492.71 × 7,149,123.94
  4. Step 4: Simplify right side
    7,915,893.66x = 84,749,237,635,612.02
  5. Step 5: Solve for x
    x = 84,749,237,635,612.02/7,915,893.66
  6. Step 6: Final answer
    x = 10,706,212.25

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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.