Home / 13,930,915.92-19,225,144.96-7,736,066.36

Finding the Fourth Proportional to 13,930,915.92, 19,225,144.96 and 7,736,066.36

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Solution

The fourth proportional to 13,930,915.92, 19,225,144.96 and 7,736,066.36 is: 10,676,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930,915.92 : 19,225,144.96 = 7,736,066.36 : x
  2. Step 2: Convert to fraction form
    13,930,915.92/19,225,144.96 = 7,736,066.36/x
  3. Step 3: Cross multiply
    13,930,915.92x = 19,225,144.96 × 7,736,066.36
  4. Step 4: Simplify right side
    13,930,915.92x = 148,726,997,191,179.56
  5. Step 5: Solve for x
    x = 148,726,997,191,179.56/13,930,915.92
  6. Step 6: Final answer
    x = 10,676,038.68

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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.