Home / 10,670,888.40-16,016,830.20-5,285,619.60

Finding the Fourth Proportional to 10,670,888.40, 16,016,830.20 and 5,285,619.60

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Solution

The fourth proportional to 10,670,888.40, 16,016,830.20 and 5,285,619.60 is: 7,933,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670,888.40 : 16,016,830.20 = 5,285,619.60 : x
  2. Step 2: Convert to fraction form
    10,670,888.40/16,016,830.20 = 5,285,619.60/x
  3. Step 3: Cross multiply
    10,670,888.40x = 16,016,830.20 × 5,285,619.60
  4. Step 4: Simplify right side
    10,670,888.40x = 84,658,871,634,991.91
  5. Step 5: Solve for x
    x = 84,658,871,634,991.91/10,670,888.40
  6. Step 6: Final answer
    x = 7,933,629.18

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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.