Home / 13,041,788.40-17,996,769-7,240,119.84

Finding the Fourth Proportional to 13,041,788.40, 17,996,769 and 7,240,119.84

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Solution

The fourth proportional to 13,041,788.40, 17,996,769 and 7,240,119.84 is: 9,990,866.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041,788.40 : 17,996,769 = 7,240,119.84 : x
  2. Step 2: Convert to fraction form
    13,041,788.40/17,996,769 = 7,240,119.84/x
  3. Step 3: Cross multiply
    13,041,788.40x = 17,996,769 × 7,240,119.84
  4. Step 4: Simplify right side
    13,041,788.40x = 130,298,764,292,796.95
  5. Step 5: Solve for x
    x = 130,298,764,292,796.95/13,041,788.40
  6. Step 6: Final answer
    x = 9,990,866.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.