Home / 7,017,711.40-10,530,066.30-3,987,404.20

Finding the Fourth Proportional to 7,017,711.40, 10,530,066.30 and 3,987,404.20

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Solution

The fourth proportional to 7,017,711.40, 10,530,066.30 and 3,987,404.20 is: 5,983,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017,711.40 : 10,530,066.30 = 3,987,404.20 : x
  2. Step 2: Convert to fraction form
    7,017,711.40/10,530,066.30 = 3,987,404.20/x
  3. Step 3: Cross multiply
    7,017,711.40x = 10,530,066.30 × 3,987,404.20
  4. Step 4: Simplify right side
    7,017,711.40x = 41,987,630,590,898.47
  5. Step 5: Solve for x
    x = 41,987,630,590,898.47/7,017,711.40
  6. Step 6: Final answer
    x = 5,983,094.52

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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.