Home / 8,461,040.80-12,686,895.60-3,406,640.80

Finding the Fourth Proportional to 8,461,040.80, 12,686,895.60 and 3,406,640.80

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Solution

The fourth proportional to 8,461,040.80, 12,686,895.60 and 3,406,640.80 is: 5,108,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461,040.80 : 12,686,895.60 = 3,406,640.80 : x
  2. Step 2: Convert to fraction form
    8,461,040.80/12,686,895.60 = 3,406,640.80/x
  3. Step 3: Cross multiply
    8,461,040.80x = 12,686,895.60 × 3,406,640.80
  4. Step 4: Simplify right side
    8,461,040.80x = 43,219,696,176,300.48
  5. Step 5: Solve for x
    x = 43,219,696,176,300.48/8,461,040.80
  6. Step 6: Final answer
    x = 5,108,082.70

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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.