Home / 19,847,829.20-29,771,743.80-19,008,021.20

Finding the Fourth Proportional to 19,847,829.20, 29,771,743.80 and 19,008,021.20

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Solution

The fourth proportional to 19,847,829.20, 29,771,743.80 and 19,008,021.20 is: 28,512,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847,829.20 : 29,771,743.80 = 19,008,021.20 : x
  2. Step 2: Convert to fraction form
    19,847,829.20/29,771,743.80 = 19,008,021.20/x
  3. Step 3: Cross multiply
    19,847,829.20x = 29,771,743.80 × 19,008,021.20
  4. Step 4: Simplify right side
    19,847,829.20x = 565,901,937,311,368.50
  5. Step 5: Solve for x
    x = 565,901,937,311,368.50/19,847,829.20
  6. Step 6: Final answer
    x = 28,512,031.80

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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.