Home / 7,191,868.74-9,925,080.57-4,136,085.42

Finding the Fourth Proportional to 7,191,868.74, 9,925,080.57 and 4,136,085.42

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Solution

The fourth proportional to 7,191,868.74, 9,925,080.57 and 4,136,085.42 is: 5,707,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,868.74 : 9,925,080.57 = 4,136,085.42 : x
  2. Step 2: Convert to fraction form
    7,191,868.74/9,925,080.57 = 4,136,085.42/x
  3. Step 3: Cross multiply
    7,191,868.74x = 9,925,080.57 × 4,136,085.42
  4. Step 4: Simplify right side
    7,191,868.74x = 41,050,981,037,902.29
  5. Step 5: Solve for x
    x = 41,050,981,037,902.29/7,191,868.74
  6. Step 6: Final answer
    x = 5,707,971.39

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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.