Home / 13,830,007.80-20,760,758.10-8,153,430.60

Finding the Fourth Proportional to 13,830,007.80, 20,760,758.10 and 8,153,430.60

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Solution

The fourth proportional to 13,830,007.80, 20,760,758.10 and 8,153,430.60 is: 12,239,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830,007.80 : 20,760,758.10 = 8,153,430.60 : x
  2. Step 2: Convert to fraction form
    13,830,007.80/20,760,758.10 = 8,153,430.60/x
  3. Step 3: Cross multiply
    13,830,007.80x = 20,760,758.10 × 8,153,430.60
  4. Step 4: Simplify right side
    13,830,007.80x = 169,271,400,371,737.88
  5. Step 5: Solve for x
    x = 169,271,400,371,737.88/13,830,007.80
  6. Step 6: Final answer
    x = 12,239,429.13

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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.