Home / 9,043,345.20-13,565,017.80-8,980,359.60

Finding the Fourth Proportional to 9,043,345.20, 13,565,017.80 and 8,980,359.60

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Solution

The fourth proportional to 9,043,345.20, 13,565,017.80 and 8,980,359.60 is: 13,470,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043,345.20 : 13,565,017.80 = 8,980,359.60 : x
  2. Step 2: Convert to fraction form
    9,043,345.20/13,565,017.80 = 8,980,359.60/x
  3. Step 3: Cross multiply
    9,043,345.20x = 13,565,017.80 × 8,980,359.60
  4. Step 4: Simplify right side
    9,043,345.20x = 121,818,737,824,400.88
  5. Step 5: Solve for x
    x = 121,818,737,824,400.88/9,043,345.20
  6. Step 6: Final answer
    x = 13,470,539.40

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Similar ratio
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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.