Home / 19,261,039.12-28,891,153.90-4,688,039.92

Finding the Fourth Proportional to 19,261,039.12, 28,891,153.90 and 4,688,039.92

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Solution

The fourth proportional to 19,261,039.12, 28,891,153.90 and 4,688,039.92 is: 7,031,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261,039.12 : 28,891,153.90 = 4,688,039.92 : x
  2. Step 2: Convert to fraction form
    19,261,039.12/28,891,153.90 = 4,688,039.92/x
  3. Step 3: Cross multiply
    19,261,039.12x = 28,891,153.90 × 4,688,039.92
  4. Step 4: Simplify right side
    19,261,039.12x = 135,442,882,794,623.48
  5. Step 5: Solve for x
    x = 135,442,882,794,623.48/19,261,039.12
  6. Step 6: Final answer
    x = 7,031,961.36

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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.