Home / 12,661,644.28-17,473,075.68-6,860,430.60

Finding the Fourth Proportional to 12,661,644.28, 17,473,075.68 and 6,860,430.60

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Solution

The fourth proportional to 12,661,644.28, 17,473,075.68 and 6,860,430.60 is: 9,467,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661,644.28 : 17,473,075.68 = 6,860,430.60 : x
  2. Step 2: Convert to fraction form
    12,661,644.28/17,473,075.68 = 6,860,430.60/x
  3. Step 3: Cross multiply
    12,661,644.28x = 17,473,075.68 × 6,860,430.60
  4. Step 4: Simplify right side
    12,661,644.28x = 119,872,823,071,187.80
  5. Step 5: Solve for x
    x = 119,872,823,071,187.80/12,661,644.28
  6. Step 6: Final answer
    x = 9,467,397.79

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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.