Home / 19,326,918.10-28,993,876.35-9,718,114.90

Finding the Fourth Proportional to 19,326,918.10, 28,993,876.35 and 9,718,114.90

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Solution

The fourth proportional to 19,326,918.10, 28,993,876.35 and 9,718,114.90 is: 14,578,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326,918.10 : 28,993,876.35 = 9,718,114.90 : x
  2. Step 2: Convert to fraction form
    19,326,918.10/28,993,876.35 = 9,718,114.90/x
  3. Step 3: Cross multiply
    19,326,918.10x = 28,993,876.35 × 9,718,114.90
  4. Step 4: Simplify right side
    19,326,918.10x = 281,765,821,765,692.62
  5. Step 5: Solve for x
    x = 281,765,821,765,692.62/19,326,918.10
  6. Step 6: Final answer
    x = 14,578,931.85

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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.