Home / 13,043,356.80-19,569,700.80-5,472,643.20

Finding the Fourth Proportional to 13,043,356.80, 19,569,700.80 and 5,472,643.20

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Solution

The fourth proportional to 13,043,356.80, 19,569,700.80 and 5,472,643.20 is: 8,210,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043,356.80 : 19,569,700.80 = 5,472,643.20 : x
  2. Step 2: Convert to fraction form
    13,043,356.80/19,569,700.80 = 5,472,643.20/x
  3. Step 3: Cross multiply
    13,043,356.80x = 19,569,700.80 × 5,472,643.20
  4. Step 4: Simplify right side
    13,043,356.80x = 107,097,990,009,154.56
  5. Step 5: Solve for x
    x = 107,097,990,009,154.56/13,043,356.80
  6. Step 6: Final answer
    x = 8,210,922.36

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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.