Home / 8,784,844.40-13,156,271.40-7,105,228.40

Finding the Fourth Proportional to 8,784,844.40, 13,156,271.40 and 7,105,228.40

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Solution

The fourth proportional to 8,784,844.40, 13,156,271.40 and 7,105,228.40 is: 10,640,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784,844.40 : 13,156,271.40 = 7,105,228.40 : x
  2. Step 2: Convert to fraction form
    8,784,844.40/13,156,271.40 = 7,105,228.40/x
  3. Step 3: Cross multiply
    8,784,844.40x = 13,156,271.40 × 7,105,228.40
  4. Step 4: Simplify right side
    8,784,844.40x = 93,478,313,189,387.77
  5. Step 5: Solve for x
    x = 93,478,313,189,387.77/8,784,844.40
  6. Step 6: Final answer
    x = 10,640,861.57

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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.