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Finding the Fourth Proportional to 8,868,605.40, 13,304,876.40 and 4,075,138.80

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Solution

The fourth proportional to 8,868,605.40, 13,304,876.40 and 4,075,138.80 is: 6,113,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868,605.40 : 13,304,876.40 = 4,075,138.80 : x
  2. Step 2: Convert to fraction form
    8,868,605.40/13,304,876.40 = 4,075,138.80/x
  3. Step 3: Cross multiply
    8,868,605.40x = 13,304,876.40 × 4,075,138.80
  4. Step 4: Simplify right side
    8,868,605.40x = 54,219,218,046,844.32
  5. Step 5: Solve for x
    x = 54,219,218,046,844.32/8,868,605.40
  6. Step 6: Final answer
    x = 6,113,612.64

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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.