Home / 7,178,847.40-10,768,271.10-6,674,962.60

Finding the Fourth Proportional to 7,178,847.40, 10,768,271.10 and 6,674,962.60

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Solution

The fourth proportional to 7,178,847.40, 10,768,271.10 and 6,674,962.60 is: 10,012,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,847.40 : 10,768,271.10 = 6,674,962.60 : x
  2. Step 2: Convert to fraction form
    7,178,847.40/10,768,271.10 = 6,674,962.60/x
  3. Step 3: Cross multiply
    7,178,847.40x = 10,768,271.10 × 6,674,962.60
  4. Step 4: Simplify right side
    7,178,847.40x = 71,877,806,859,160.86
  5. Step 5: Solve for x
    x = 71,877,806,859,160.86/7,178,847.40
  6. Step 6: Final answer
    x = 10,012,443.90

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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.