Home / 15,401,437.16-21,264,010.44-9,896,933.12

Finding the Fourth Proportional to 15,401,437.16, 21,264,010.44 and 9,896,933.12

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Solution

The fourth proportional to 15,401,437.16, 21,264,010.44 and 9,896,933.12 is: 13,664,211.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,437.16 : 21,264,010.44 = 9,896,933.12 : x
  2. Step 2: Convert to fraction form
    15,401,437.16/21,264,010.44 = 9,896,933.12/x
  3. Step 3: Cross multiply
    15,401,437.16x = 21,264,010.44 × 9,896,933.12
  4. Step 4: Simplify right side
    15,401,437.16x = 210,448,489,187,661.78
  5. Step 5: Solve for x
    x = 210,448,489,187,661.78/15,401,437.16
  6. Step 6: Final answer
    x = 13,664,211.14

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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.