Home / 16,545,218.28-24,818,138.46-5,185,415.40

Finding the Fourth Proportional to 16,545,218.28, 24,818,138.46 and 5,185,415.40

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Solution

The fourth proportional to 16,545,218.28, 24,818,138.46 and 5,185,415.40 is: 7,778,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545,218.28 : 24,818,138.46 = 5,185,415.40 : x
  2. Step 2: Convert to fraction form
    16,545,218.28/24,818,138.46 = 5,185,415.40/x
  3. Step 3: Cross multiply
    16,545,218.28x = 24,818,138.46 × 5,185,415.40
  4. Step 4: Simplify right side
    16,545,218.28x = 128,692,357,369,816.30
  5. Step 5: Solve for x
    x = 128,692,357,369,816.30/16,545,218.28
  6. Step 6: Final answer
    x = 7,778,220.58

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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.