Home / 14,339,689.76-19,788,522.72-7,813,372.85

Finding the Fourth Proportional to 14,339,689.76, 19,788,522.72 and 7,813,372.85

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Solution

The fourth proportional to 14,339,689.76, 19,788,522.72 and 7,813,372.85 is: 10,782,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,689.76 : 19,788,522.72 = 7,813,372.85 : x
  2. Step 2: Convert to fraction form
    14,339,689.76/19,788,522.72 = 7,813,372.85/x
  3. Step 3: Cross multiply
    14,339,689.76x = 19,788,522.72 × 7,813,372.85
  4. Step 4: Simplify right side
    14,339,689.76x = 154,615,106,162,056.12
  5. Step 5: Solve for x
    x = 154,615,106,162,056.12/14,339,689.76
  6. Step 6: Final answer
    x = 10,782,318.77

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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.