Home / 6,470,455.20-9,705,682.80-6,386,474.40

Finding the Fourth Proportional to 6,470,455.20, 9,705,682.80 and 6,386,474.40

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Solution

The fourth proportional to 6,470,455.20, 9,705,682.80 and 6,386,474.40 is: 9,579,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470,455.20 : 9,705,682.80 = 6,386,474.40 : x
  2. Step 2: Convert to fraction form
    6,470,455.20/9,705,682.80 = 6,386,474.40/x
  3. Step 3: Cross multiply
    6,470,455.20x = 9,705,682.80 × 6,386,474.40
  4. Step 4: Simplify right side
    6,470,455.20x = 61,985,094,736,720.33
  5. Step 5: Solve for x
    x = 61,985,094,736,720.33/6,470,455.20
  6. Step 6: Final answer
    x = 9,579,711.60

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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.