Home / 16,789,631.40-25,184,447.10-13,136,466.60

Finding the Fourth Proportional to 16,789,631.40, 25,184,447.10 and 13,136,466.60

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Solution

The fourth proportional to 16,789,631.40, 25,184,447.10 and 13,136,466.60 is: 19,704,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789,631.40 : 25,184,447.10 = 13,136,466.60 : x
  2. Step 2: Convert to fraction form
    16,789,631.40/25,184,447.10 = 13,136,466.60/x
  3. Step 3: Cross multiply
    16,789,631.40x = 25,184,447.10 × 13,136,466.60
  4. Step 4: Simplify right side
    16,789,631.40x = 330,834,648,168,616.88
  5. Step 5: Solve for x
    x = 330,834,648,168,616.88/16,789,631.40
  6. Step 6: Final answer
    x = 19,704,699.90

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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.