Home / 21,005,630.06-31,509,429.23-10,210,062.24

Finding the Fourth Proportional to 21,005,630.06, 31,509,429.23 and 10,210,062.24

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Solution

The fourth proportional to 21,005,630.06, 31,509,429.23 and 10,210,062.24 is: 15,315,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,005,630.06 : 31,509,429.23 = 10,210,062.24 : x
  2. Step 2: Convert to fraction form
    21,005,630.06/31,509,429.23 = 10,210,062.24/x
  3. Step 3: Cross multiply
    21,005,630.06x = 31,509,429.23 × 10,210,062.24
  4. Step 4: Simplify right side
    21,005,630.06x = 321,713,233,610,700.44
  5. Step 5: Solve for x
    x = 321,713,233,610,700.44/21,005,630.06
  6. Step 6: Final answer
    x = 15,315,571.72

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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.