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Finding the Fourth Proportional to 14,000,308.10, 21,000,462.15 and 10,173,932.90

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Solution

The fourth proportional to 14,000,308.10, 21,000,462.15 and 10,173,932.90 is: 15,260,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,308.10 : 21,000,462.15 = 10,173,932.90 : x
  2. Step 2: Convert to fraction form
    14,000,308.10/21,000,462.15 = 10,173,932.90/x
  3. Step 3: Cross multiply
    14,000,308.10x = 21,000,462.15 × 10,173,932.90
  4. Step 4: Simplify right side
    14,000,308.10x = 213,657,292,783,089.72
  5. Step 5: Solve for x
    x = 213,657,292,783,089.72/14,000,308.10
  6. Step 6: Final answer
    x = 15,260,899.35

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1.5x scale

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.