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Finding the Fourth Proportional to 11,813,548, 16,302,702.78 and 6,381,040

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Solution

The fourth proportional to 11,813,548, 16,302,702.78 and 6,381,040 is: 8,805,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813,548 : 16,302,702.78 = 6,381,040 : x
  2. Step 2: Convert to fraction form
    11,813,548/16,302,702.78 = 6,381,040/x
  3. Step 3: Cross multiply
    11,813,548x = 16,302,702.78 × 6,381,040
  4. Step 4: Simplify right side
    11,813,548x = 104,028,198,547,291.20
  5. Step 5: Solve for x
    x = 104,028,198,547,291.20/11,813,548
  6. Step 6: Final answer
    x = 8,805,838.73

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