Home / 8,537,816.18-12,807,621.18-2,780,998.40

Finding the Fourth Proportional to 8,537,816.18, 12,807,621.18 and 2,780,998.40

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Solution

The fourth proportional to 8,537,816.18, 12,807,621.18 and 2,780,998.40 is: 4,171,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537,816.18 : 12,807,621.18 = 2,780,998.40 : x
  2. Step 2: Convert to fraction form
    8,537,816.18/12,807,621.18 = 2,780,998.40/x
  3. Step 3: Cross multiply
    8,537,816.18x = 12,807,621.18 × 2,780,998.40
  4. Step 4: Simplify right side
    8,537,816.18x = 35,617,974,041,405.16
  5. Step 5: Solve for x
    x = 35,617,974,041,405.16/8,537,816.18
  6. Step 6: Final answer
    x = 4,171,789.75

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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.