Home / 8,980,785.45-12,389,967.23-5,537,047.77

Finding the Fourth Proportional to 8,980,785.45, 12,389,967.23 and 5,537,047.77

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Solution

The fourth proportional to 8,980,785.45, 12,389,967.23 and 5,537,047.77 is: 7,638,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980,785.45 : 12,389,967.23 = 5,537,047.77 : x
  2. Step 2: Convert to fraction form
    8,980,785.45/12,389,967.23 = 5,537,047.77/x
  3. Step 3: Cross multiply
    8,980,785.45x = 12,389,967.23 × 5,537,047.77
  4. Step 4: Simplify right side
    8,980,785.45x = 68,603,840,393,559.33
  5. Step 5: Solve for x
    x = 68,603,840,393,559.33/8,980,785.45
  6. Step 6: Final answer
    x = 7,638,957.73

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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.