Home / 14,339,569.55-19,788,356.36-7,813,252.94

Finding the Fourth Proportional to 14,339,569.55, 19,788,356.36 and 7,813,252.94

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Solution

The fourth proportional to 14,339,569.55, 19,788,356.36 and 7,813,252.94 is: 10,782,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,569.55 : 19,788,356.36 = 7,813,252.94 : x
  2. Step 2: Convert to fraction form
    14,339,569.55/19,788,356.36 = 7,813,252.94/x
  3. Step 3: Cross multiply
    14,339,569.55x = 19,788,356.36 × 7,813,252.94
  4. Step 4: Simplify right side
    14,339,569.55x = 154,611,433,428,129.03
  5. Step 5: Solve for x
    x = 154,611,433,428,129.03/14,339,569.55
  6. Step 6: Final answer
    x = 10,782,153.04

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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.