Home / 19,958,900.20-29,938,350.30-19,175,079.40

Finding the Fourth Proportional to 19,958,900.20, 29,938,350.30 and 19,175,079.40

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Solution

The fourth proportional to 19,958,900.20, 29,938,350.30 and 19,175,079.40 is: 28,762,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,900.20 : 29,938,350.30 = 19,175,079.40 : x
  2. Step 2: Convert to fraction form
    19,958,900.20/29,938,350.30 = 19,175,079.40/x
  3. Step 3: Cross multiply
    19,958,900.20x = 29,938,350.30 × 19,175,079.40
  4. Step 4: Simplify right side
    19,958,900.20x = 574,070,244,107,513.75
  5. Step 5: Solve for x
    x = 574,070,244,107,513.75/19,958,900.20
  6. Step 6: Final answer
    x = 28,762,619.10

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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.