Home / 7,744,160.36-10,689,193.95-5,165,834.78

Finding the Fourth Proportional to 7,744,160.36, 10,689,193.95 and 5,165,834.78

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Solution

The fourth proportional to 7,744,160.36, 10,689,193.95 and 5,165,834.78 is: 7,130,354.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744,160.36 : 10,689,193.95 = 5,165,834.78 : x
  2. Step 2: Convert to fraction form
    7,744,160.36/10,689,193.95 = 5,165,834.78/x
  3. Step 3: Cross multiply
    7,744,160.36x = 10,689,193.95 × 5,165,834.78
  4. Step 4: Simplify right side
    7,744,160.36x = 55,218,609,877,075.58
  5. Step 5: Solve for x
    x = 55,218,609,877,075.58/7,744,160.36
  6. Step 6: Final answer
    x = 7,130,354.66

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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.