Home / 13,562,057.40-20,336,670.90-7,884,022.20

Finding the Fourth Proportional to 13,562,057.40, 20,336,670.90 and 7,884,022.20

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Solution

The fourth proportional to 13,562,057.40, 20,336,670.90 and 7,884,022.20 is: 11,822,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562,057.40 : 20,336,670.90 = 7,884,022.20 : x
  2. Step 2: Convert to fraction form
    13,562,057.40/20,336,670.90 = 7,884,022.20/x
  3. Step 3: Cross multiply
    13,562,057.40x = 20,336,670.90 × 7,884,022.20
  4. Step 4: Simplify right side
    13,562,057.40x = 160,334,764,849,693.97
  5. Step 5: Solve for x
    x = 160,334,764,849,693.97/13,562,057.40
  6. Step 6: Final answer
    x = 11,822,303.96

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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.