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Finding the Fourth Proportional to 14,000,294.60, 21,000,441.90 and 10,173,919.40

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Solution

The fourth proportional to 14,000,294.60, 21,000,441.90 and 10,173,919.40 is: 15,260,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,294.60 : 21,000,441.90 = 10,173,919.40 : x
  2. Step 2: Convert to fraction form
    14,000,294.60/21,000,441.90 = 10,173,919.40/x
  3. Step 3: Cross multiply
    14,000,294.60x = 21,000,441.90 × 10,173,919.40
  4. Step 4: Simplify right side
    14,000,294.60x = 213,656,803,254,982.84
  5. Step 5: Solve for x
    x = 213,656,803,254,982.84/14,000,294.60
  6. Step 6: Final answer
    x = 15,260,879.10

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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.