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Finding the Fourth Proportional to 16,640,690.90, 24,961,036.35 and 12,070,298.30

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Solution

The fourth proportional to 16,640,690.90, 24,961,036.35 and 12,070,298.30 is: 18,105,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640,690.90 : 24,961,036.35 = 12,070,298.30 : x
  2. Step 2: Convert to fraction form
    16,640,690.90/24,961,036.35 = 12,070,298.30/x
  3. Step 3: Cross multiply
    16,640,690.90x = 24,961,036.35 × 12,070,298.30
  4. Step 4: Simplify right side
    16,640,690.90x = 301,287,154,621,643.25
  5. Step 5: Solve for x
    x = 301,287,154,621,643.25/16,640,690.90
  6. Step 6: Final answer
    x = 18,105,447.45

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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.