Home / 16,540,400.40-24,813,322.20-5,178,109.20

Finding the Fourth Proportional to 16,540,400.40, 24,813,322.20 and 5,178,109.20

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Solution

The fourth proportional to 16,540,400.40, 24,813,322.20 and 5,178,109.20 is: 7,768,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,540,400.40 : 24,813,322.20 = 5,178,109.20 : x
  2. Step 2: Convert to fraction form
    16,540,400.40/24,813,322.20 = 5,178,109.20/x
  3. Step 3: Cross multiply
    16,540,400.40x = 24,813,322.20 × 5,178,109.20
  4. Step 4: Simplify right side
    16,540,400.40x = 128,486,091,966,384.23
  5. Step 5: Solve for x
    x = 128,486,091,966,384.23/16,540,400.40
  6. Step 6: Final answer
    x = 7,768,015.82

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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.