Home / 8,143,570.85-12,215,349.34-2,078,302.10

Finding the Fourth Proportional to 8,143,570.85, 12,215,349.34 and 2,078,302.10

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Solution

The fourth proportional to 8,143,570.85, 12,215,349.34 and 2,078,302.10 is: 3,117,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,570.85 : 12,215,349.34 = 2,078,302.10 : x
  2. Step 2: Convert to fraction form
    8,143,570.85/12,215,349.34 = 2,078,302.10/x
  3. Step 3: Cross multiply
    8,143,570.85x = 12,215,349.34 × 2,078,302.10
  4. Step 4: Simplify right side
    8,143,570.85x = 25,387,186,210,898.23
  5. Step 5: Solve for x
    x = 25,387,186,210,898.23/8,143,570.85
  6. Step 6: Final answer
    x = 3,117,451.38

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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.