Home / 28,727,448.16-43,087,989.10-10,282,656.48

Finding the Fourth Proportional to 28,727,448.16, 43,087,989.10 and 10,282,656.48

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Solution

The fourth proportional to 28,727,448.16, 43,087,989.10 and 10,282,656.48 is: 15,422,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727,448.16 : 43,087,989.10 = 10,282,656.48 : x
  2. Step 2: Convert to fraction form
    28,727,448.16/43,087,989.10 = 10,282,656.48/x
  3. Step 3: Cross multiply
    28,727,448.16x = 43,087,989.10 × 10,282,656.48
  4. Step 4: Simplify right side
    28,727,448.16x = 443,058,990,062,431.12
  5. Step 5: Solve for x
    x = 443,058,990,062,431.12/28,727,448.16
  6. Step 6: Final answer
    x = 15,422,845.35

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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.