Home / 7,136,995-9,849,063.07-3,873,810.48

Finding the Fourth Proportional to 7,136,995, 9,849,063.07 and 3,873,810.48

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Solution

The fourth proportional to 7,136,995, 9,849,063.07 and 3,873,810.48 is: 5,345,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,995 : 9,849,063.07 = 3,873,810.48 : x
  2. Step 2: Convert to fraction form
    7,136,995/9,849,063.07 = 3,873,810.48/x
  3. Step 3: Cross multiply
    7,136,995x = 9,849,063.07 × 3,873,810.48
  4. Step 4: Simplify right side
    7,136,995x = 38,153,403,738,746.98
  5. Step 5: Solve for x
    x = 38,153,403,738,746.98/7,136,995
  6. Step 6: Final answer
    x = 5,345,863.87

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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.