Home / 10,628,461.60-15,942,692.40-3,896,000.80

Finding the Fourth Proportional to 10,628,461.60, 15,942,692.40 and 3,896,000.80

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Solution

The fourth proportional to 10,628,461.60, 15,942,692.40 and 3,896,000.80 is: 5,844,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628,461.60 : 15,942,692.40 = 3,896,000.80 : x
  2. Step 2: Convert to fraction form
    10,628,461.60/15,942,692.40 = 3,896,000.80/x
  3. Step 3: Cross multiply
    10,628,461.60x = 15,942,692.40 × 3,896,000.80
  4. Step 4: Simplify right side
    10,628,461.60x = 62,112,742,344,553.92
  5. Step 5: Solve for x
    x = 62,112,742,344,553.92/10,628,461.60
  6. Step 6: Final answer
    x = 5,844,001.20

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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.