Home / 8,345,464.40-12,518,196.60-7,785,592.40

Finding the Fourth Proportional to 8,345,464.40, 12,518,196.60 and 7,785,592.40

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Solution

The fourth proportional to 8,345,464.40, 12,518,196.60 and 7,785,592.40 is: 11,678,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345,464.40 : 12,518,196.60 = 7,785,592.40 : x
  2. Step 2: Convert to fraction form
    8,345,464.40/12,518,196.60 = 7,785,592.40/x
  3. Step 3: Cross multiply
    8,345,464.40x = 12,518,196.60 × 7,785,592.40
  4. Step 4: Simplify right side
    8,345,464.40x = 97,461,576,310,665.84
  5. Step 5: Solve for x
    x = 97,461,576,310,665.84/8,345,464.40
  6. Step 6: Final answer
    x = 11,678,388.60

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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.