Home / 19,326,918.60-28,993,877.10-9,718,115.40

Finding the Fourth Proportional to 19,326,918.60, 28,993,877.10 and 9,718,115.40

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Solution

The fourth proportional to 19,326,918.60, 28,993,877.10 and 9,718,115.40 is: 14,578,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326,918.60 : 28,993,877.10 = 9,718,115.40 : x
  2. Step 2: Convert to fraction form
    19,326,918.60/28,993,877.10 = 9,718,115.40/x
  3. Step 3: Cross multiply
    19,326,918.60x = 28,993,877.10 × 9,718,115.40
  4. Step 4: Simplify right side
    19,326,918.60x = 281,765,843,551,217.38
  5. Step 5: Solve for x
    x = 281,765,843,551,217.38/19,326,918.60
  6. Step 6: Final answer
    x = 14,578,932.60

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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.