Home / 19,621,984.80-29,432,977.20-12,063,712.80

Finding the Fourth Proportional to 19,621,984.80, 29,432,977.20 and 12,063,712.80

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Solution

The fourth proportional to 19,621,984.80, 29,432,977.20 and 12,063,712.80 is: 18,095,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621,984.80 : 29,432,977.20 = 12,063,712.80 : x
  2. Step 2: Convert to fraction form
    19,621,984.80/29,432,977.20 = 12,063,712.80/x
  3. Step 3: Cross multiply
    19,621,984.80x = 29,432,977.20 × 12,063,712.80
  4. Step 4: Simplify right side
    19,621,984.80x = 355,070,983,789,748.19
  5. Step 5: Solve for x
    x = 355,070,983,789,748.19/19,621,984.80
  6. Step 6: Final answer
    x = 18,095,569.20

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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.