Home / 14,339,192.67-19,787,836.73-7,812,875.76

Finding the Fourth Proportional to 14,339,192.67, 19,787,836.73 and 7,812,875.76

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Solution

The fourth proportional to 14,339,192.67, 19,787,836.73 and 7,812,875.76 is: 10,781,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,192.67 : 19,787,836.73 = 7,812,875.76 : x
  2. Step 2: Convert to fraction form
    14,339,192.67/19,787,836.73 = 7,812,875.76/x
  3. Step 3: Cross multiply
    14,339,192.67x = 19,787,836.73 × 7,812,875.76
  4. Step 4: Simplify right side
    14,339,192.67x = 154,599,909,861,333.31
  5. Step 5: Solve for x
    x = 154,599,909,861,333.31/14,339,192.67
  6. Step 6: Final answer
    x = 10,781,632.79

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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.