Home / 14,339,425.30-19,788,156.75-7,813,108.78

Finding the Fourth Proportional to 14,339,425.30, 19,788,156.75 and 7,813,108.78

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Solution

The fourth proportional to 14,339,425.30, 19,788,156.75 and 7,813,108.78 is: 10,781,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,425.30 : 19,788,156.75 = 7,813,108.78 : x
  2. Step 2: Convert to fraction form
    14,339,425.30/19,788,156.75 = 7,813,108.78/x
  3. Step 3: Cross multiply
    14,339,425.30x = 19,788,156.75 × 7,813,108.78
  4. Step 4: Simplify right side
    14,339,425.30x = 154,607,021,243,441.28
  5. Step 5: Solve for x
    x = 154,607,021,243,441.28/14,339,425.30
  6. Step 6: Final answer
    x = 10,781,953.81

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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.