Home / 8,354,678.40-12,532,017.60-6,228,914.40

Finding the Fourth Proportional to 8,354,678.40, 12,532,017.60 and 6,228,914.40

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Solution

The fourth proportional to 8,354,678.40, 12,532,017.60 and 6,228,914.40 is: 9,343,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354,678.40 : 12,532,017.60 = 6,228,914.40 : x
  2. Step 2: Convert to fraction form
    8,354,678.40/12,532,017.60 = 6,228,914.40/x
  3. Step 3: Cross multiply
    8,354,678.40x = 12,532,017.60 × 6,228,914.40
  4. Step 4: Simplify right side
    8,354,678.40x = 78,060,864,889,693.44
  5. Step 5: Solve for x
    x = 78,060,864,889,693.44/8,354,678.40
  6. Step 6: Final answer
    x = 9,343,371.60

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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.