Home / 6,518,000.40-9,777,000.60-6,470,761.20

Finding the Fourth Proportional to 6,518,000.40, 9,777,000.60 and 6,470,761.20

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Solution

The fourth proportional to 6,518,000.40, 9,777,000.60 and 6,470,761.20 is: 9,706,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,000.40 : 9,777,000.60 = 6,470,761.20 : x
  2. Step 2: Convert to fraction form
    6,518,000.40/9,777,000.60 = 6,470,761.20/x
  3. Step 3: Cross multiply
    6,518,000.40x = 9,777,000.60 × 6,470,761.20
  4. Step 4: Simplify right side
    6,518,000.40x = 63,264,636,134,856.72
  5. Step 5: Solve for x
    x = 63,264,636,134,856.72/6,518,000.40
  6. Step 6: Final answer
    x = 9,706,141.80

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Similar ratio
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1.5x scale

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.