Home / 19,958,899.20-29,938,348.80-19,175,078.40

Finding the Fourth Proportional to 19,958,899.20, 29,938,348.80 and 19,175,078.40

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Solution

The fourth proportional to 19,958,899.20, 29,938,348.80 and 19,175,078.40 is: 28,762,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,899.20 : 29,938,348.80 = 19,175,078.40 : x
  2. Step 2: Convert to fraction form
    19,958,899.20/29,938,348.80 = 19,175,078.40/x
  3. Step 3: Cross multiply
    19,958,899.20x = 29,938,348.80 × 19,175,078.40
  4. Step 4: Simplify right side
    19,958,899.20x = 574,070,185,406,545.88
  5. Step 5: Solve for x
    x = 574,070,185,406,545.88/19,958,899.20
  6. Step 6: Final answer
    x = 28,762,617.60

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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.