Home / 28,998,826.47-40,019,407.79-15,947,078.49

Finding the Fourth Proportional to 28,998,826.47, 40,019,407.79 and 15,947,078.49

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Solution

The fourth proportional to 28,998,826.47, 40,019,407.79 and 15,947,078.49 is: 22,007,533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998,826.47 : 40,019,407.79 = 15,947,078.49 : x
  2. Step 2: Convert to fraction form
    28,998,826.47/40,019,407.79 = 15,947,078.49/x
  3. Step 3: Cross multiply
    28,998,826.47x = 40,019,407.79 × 15,947,078.49
  4. Step 4: Simplify right side
    28,998,826.47x = 638,192,637,070,712
  5. Step 5: Solve for x
    x = 638,192,637,070,712/28,998,826.47
  6. Step 6: Final answer
    x = 22,007,533.23

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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.