Home / 10,431,054.40-15,646,581.60-8,564,814.40

Finding the Fourth Proportional to 10,431,054.40, 15,646,581.60 and 8,564,814.40

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Solution

The fourth proportional to 10,431,054.40, 15,646,581.60 and 8,564,814.40 is: 12,847,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431,054.40 : 15,646,581.60 = 8,564,814.40 : x
  2. Step 2: Convert to fraction form
    10,431,054.40/15,646,581.60 = 8,564,814.40/x
  3. Step 3: Cross multiply
    10,431,054.40x = 15,646,581.60 × 8,564,814.40
  4. Step 4: Simplify right side
    10,431,054.40x = 134,010,067,398,455.05
  5. Step 5: Solve for x
    x = 134,010,067,398,455.05/10,431,054.40
  6. Step 6: Final answer
    x = 12,847,221.60

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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.