Home / 12,847,172.80-19,254,429.60-5,265,572.80

Finding the Fourth Proportional to 12,847,172.80, 19,254,429.60 and 5,265,572.80

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Solution

The fourth proportional to 12,847,172.80, 19,254,429.60 and 5,265,572.80 is: 7,891,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847,172.80 : 19,254,429.60 = 5,265,572.80 : x
  2. Step 2: Convert to fraction form
    12,847,172.80/19,254,429.60 = 5,265,572.80/x
  3. Step 3: Cross multiply
    12,847,172.80x = 19,254,429.60 × 5,265,572.80
  4. Step 4: Simplify right side
    12,847,172.80x = 101,385,600,781,274.89
  5. Step 5: Solve for x
    x = 101,385,600,781,274.89/12,847,172.80
  6. Step 6: Final answer
    x = 7,891,666.31

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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.