Home / 19,084,856.80-28,617,478.80-5,619,935.20

Finding the Fourth Proportional to 19,084,856.80, 28,617,478.80 and 5,619,935.20

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Solution

The fourth proportional to 19,084,856.80, 28,617,478.80 and 5,619,935.20 is: 8,427,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,084,856.80 : 28,617,478.80 = 5,619,935.20 : x
  2. Step 2: Convert to fraction form
    19,084,856.80/28,617,478.80 = 5,619,935.20/x
  3. Step 3: Cross multiply
    19,084,856.80x = 28,617,478.80 × 5,619,935.20
  4. Step 4: Simplify right side
    19,084,856.80x = 160,828,376,443,373.78
  5. Step 5: Solve for x
    x = 160,828,376,443,373.78/19,084,856.80
  6. Step 6: Final answer
    x = 8,427,015.10

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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.