Home / 7,901,136.25-11,852,653.15-2,782,507.51

Finding the Fourth Proportional to 7,901,136.25, 11,852,653.15 and 2,782,507.51

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Solution

The fourth proportional to 7,901,136.25, 11,852,653.15 and 2,782,507.51 is: 4,174,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901,136.25 : 11,852,653.15 = 2,782,507.51 : x
  2. Step 2: Convert to fraction form
    7,901,136.25/11,852,653.15 = 2,782,507.51/x
  3. Step 3: Cross multiply
    7,901,136.25x = 11,852,653.15 × 2,782,507.51
  4. Step 4: Simplify right side
    7,901,136.25x = 32,980,096,403,300.16
  5. Step 5: Solve for x
    x = 32,980,096,403,300.16/7,901,136.25
  6. Step 6: Final answer
    x = 4,174,095.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.