Home / 28,998,829.47-40,019,411.94-15,947,081.49

Finding the Fourth Proportional to 28,998,829.47, 40,019,411.94 and 15,947,081.49

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Solution

The fourth proportional to 28,998,829.47, 40,019,411.94 and 15,947,081.49 is: 22,007,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998,829.47 : 40,019,411.94 = 15,947,081.49 : x
  2. Step 2: Convert to fraction form
    28,998,829.47/40,019,411.94 = 15,947,081.49/x
  3. Step 3: Cross multiply
    28,998,829.47x = 40,019,411.94 × 15,947,081.49
  4. Step 4: Simplify right side
    28,998,829.47x = 638,192,823,389,059
  5. Step 5: Solve for x
    x = 638,192,823,389,059/28,998,829.47
  6. Step 6: Final answer
    x = 22,007,537.37

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1.5x scale

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.