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Finding the Fourth Proportional to 19,643,482.90, 27,106,613.04 and 10,822,548.88

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Solution

The fourth proportional to 19,643,482.90, 27,106,613.04 and 10,822,548.88 is: 14,934,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643,482.90 : 27,106,613.04 = 10,822,548.88 : x
  2. Step 2: Convert to fraction form
    19,643,482.90/27,106,613.04 = 10,822,548.88/x
  3. Step 3: Cross multiply
    19,643,482.90x = 27,106,613.04 × 10,822,548.88
  4. Step 4: Simplify right side
    19,643,482.90x = 293,362,644,596,645.44
  5. Step 5: Solve for x
    x = 293,362,644,596,645.44/19,643,482.90
  6. Step 6: Final answer
    x = 14,934,349.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.