Home / 28,643,734.27-42,972,007.74-10,447,929.46

Finding the Fourth Proportional to 28,643,734.27, 42,972,007.74 and 10,447,929.46

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Solution

The fourth proportional to 28,643,734.27, 42,972,007.74 and 10,447,929.46 is: 15,674,230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643,734.27 : 42,972,007.74 = 10,447,929.46 : x
  2. Step 2: Convert to fraction form
    28,643,734.27/42,972,007.74 = 10,447,929.46/x
  3. Step 3: Cross multiply
    28,643,734.27x = 42,972,007.74 × 10,447,929.46
  4. Step 4: Simplify right side
    28,643,734.27x = 448,968,505,545,182.06
  5. Step 5: Solve for x
    x = 448,968,505,545,182.06/28,643,734.27
  6. Step 6: Final answer
    x = 15,674,230.92

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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.