Home / 10,598,977.80-15,898,466.70-3,870,016.20

Finding the Fourth Proportional to 10,598,977.80, 15,898,466.70 and 3,870,016.20

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Solution

The fourth proportional to 10,598,977.80, 15,898,466.70 and 3,870,016.20 is: 5,805,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598,977.80 : 15,898,466.70 = 3,870,016.20 : x
  2. Step 2: Convert to fraction form
    10,598,977.80/15,898,466.70 = 3,870,016.20/x
  3. Step 3: Cross multiply
    10,598,977.80x = 15,898,466.70 × 3,870,016.20
  4. Step 4: Simplify right side
    10,598,977.80x = 61,527,323,684,160.54
  5. Step 5: Solve for x
    x = 61,527,323,684,160.54/10,598,977.80
  6. Step 6: Final answer
    x = 5,805,024.30

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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.