Home / 8,119,720.61-11,205,214.11-4,448,776.42

Finding the Fourth Proportional to 8,119,720.61, 11,205,214.11 and 4,448,776.42

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Solution

The fourth proportional to 8,119,720.61, 11,205,214.11 and 4,448,776.42 is: 6,139,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,720.61 : 11,205,214.11 = 4,448,776.42 : x
  2. Step 2: Convert to fraction form
    8,119,720.61/11,205,214.11 = 4,448,776.42/x
  3. Step 3: Cross multiply
    8,119,720.61x = 11,205,214.11 × 4,448,776.42
  4. Step 4: Simplify right side
    8,119,720.61x = 49,849,492,264,596.48
  5. Step 5: Solve for x
    x = 49,849,492,264,596.48/8,119,720.61
  6. Step 6: Final answer
    x = 6,139,311.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.