Home / 14,339,580.80-19,788,371.89-7,813,264.19

Finding the Fourth Proportional to 14,339,580.80, 19,788,371.89 and 7,813,264.19

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Solution

The fourth proportional to 14,339,580.80, 19,788,371.89 and 7,813,264.19 is: 10,782,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,580.80 : 19,788,371.89 = 7,813,264.19 : x
  2. Step 2: Convert to fraction form
    14,339,580.80/19,788,371.89 = 7,813,264.19/x
  3. Step 3: Cross multiply
    14,339,580.80x = 19,788,371.89 × 7,813,264.19
  4. Step 4: Simplify right side
    14,339,580.80x = 154,611,777,348,064.59
  5. Step 5: Solve for x
    x = 154,611,777,348,064.59/14,339,580.80
  6. Step 6: Final answer
    x = 10,782,168.57

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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.