Home / 28,790,210.16-43,185,315.23-9,620,967.21

Finding the Fourth Proportional to 28,790,210.16, 43,185,315.23 and 9,620,967.21

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Solution

The fourth proportional to 28,790,210.16, 43,185,315.23 and 9,620,967.21 is: 14,431,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790,210.16 : 43,185,315.23 = 9,620,967.21 : x
  2. Step 2: Convert to fraction form
    28,790,210.16/43,185,315.23 = 9,620,967.21/x
  3. Step 3: Cross multiply
    28,790,210.16x = 43,185,315.23 × 9,620,967.21
  4. Step 4: Simplify right side
    28,790,210.16x = 415,484,501,781,343.62
  5. Step 5: Solve for x
    x = 415,484,501,781,343.62/28,790,210.16
  6. Step 6: Final answer
    x = 14,431,450.81

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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.