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Finding the Fourth Proportional to 9,764,019.60, 14,646,029.40 and 2,672,307.60

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Solution

The fourth proportional to 9,764,019.60, 14,646,029.40 and 2,672,307.60 is: 4,008,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764,019.60 : 14,646,029.40 = 2,672,307.60 : x
  2. Step 2: Convert to fraction form
    9,764,019.60/14,646,029.40 = 2,672,307.60/x
  3. Step 3: Cross multiply
    9,764,019.60x = 14,646,029.40 × 2,672,307.60
  4. Step 4: Simplify right side
    9,764,019.60x = 39,138,695,675,443.45
  5. Step 5: Solve for x
    x = 39,138,695,675,443.45/9,764,019.60
  6. Step 6: Final answer
    x = 4,008,461.40

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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.