Home / 8,342,011.40-12,492,021.90-5,486,664.20

Finding the Fourth Proportional to 8,342,011.40, 12,492,021.90 and 5,486,664.20

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Solution

The fourth proportional to 8,342,011.40, 12,492,021.90 and 5,486,664.20 is: 8,216,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342,011.40 : 12,492,021.90 = 5,486,664.20 : x
  2. Step 2: Convert to fraction form
    8,342,011.40/12,492,021.90 = 5,486,664.20/x
  3. Step 3: Cross multiply
    8,342,011.40x = 12,492,021.90 × 5,486,664.20
  4. Step 4: Simplify right side
    8,342,011.40x = 68,539,529,344,345.98
  5. Step 5: Solve for x
    x = 68,539,529,344,345.98/8,342,011.40
  6. Step 6: Final answer
    x = 8,216,187.45

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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.