Home / 28,568,586.40-42,841,913.82-12,163,470.10

Finding the Fourth Proportional to 28,568,586.40, 42,841,913.82 and 12,163,470.10

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Solution

The fourth proportional to 28,568,586.40, 42,841,913.82 and 12,163,470.10 is: 18,240,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568,586.40 : 42,841,913.82 = 12,163,470.10 : x
  2. Step 2: Convert to fraction form
    28,568,586.40/42,841,913.82 = 12,163,470.10/x
  3. Step 3: Cross multiply
    28,568,586.40x = 42,841,913.82 × 12,163,470.10
  4. Step 4: Simplify right side
    28,568,586.40x = 521,106,337,776,346.75
  5. Step 5: Solve for x
    x = 521,106,337,776,346.75/28,568,586.40
  6. Step 6: Final answer
    x = 18,240,536.32

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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.