Home / 10,211,659.20-15,317,488.80-9,432,212.40

Finding the Fourth Proportional to 10,211,659.20, 15,317,488.80 and 9,432,212.40

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Solution

The fourth proportional to 10,211,659.20, 15,317,488.80 and 9,432,212.40 is: 14,148,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211,659.20 : 15,317,488.80 = 9,432,212.40 : x
  2. Step 2: Convert to fraction form
    10,211,659.20/15,317,488.80 = 9,432,212.40/x
  3. Step 3: Cross multiply
    10,211,659.20x = 15,317,488.80 × 9,432,212.40
  4. Step 4: Simplify right side
    10,211,659.20x = 144,477,807,796,221.12
  5. Step 5: Solve for x
    x = 144,477,807,796,221.12/10,211,659.20
  6. Step 6: Final answer
    x = 14,148,318.60

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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.