Home / 35,868,478.92-49,499,592.66-20,400,790.20

Finding the Fourth Proportional to 35,868,478.92, 49,499,592.66 and 20,400,790.20

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Solution

The fourth proportional to 35,868,478.92, 49,499,592.66 and 20,400,790.20 is: 28,153,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,868,478.92 : 49,499,592.66 = 20,400,790.20 : x
  2. Step 2: Convert to fraction form
    35,868,478.92/49,499,592.66 = 20,400,790.20/x
  3. Step 3: Cross multiply
    35,868,478.92x = 49,499,592.66 × 20,400,790.20
  4. Step 4: Simplify right side
    35,868,478.92x = 1,009,830,804,842,119.88
  5. Step 5: Solve for x
    x = 1,009,830,804,842,119.88/35,868,478.92
  6. Step 6: Final answer
    x = 28,153,711.43

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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.