Home / 17,315,866-23,895,817.32-9,971,019.28

Finding the Fourth Proportional to 17,315,866, 23,895,817.32 and 9,971,019.28

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Solution

The fourth proportional to 17,315,866, 23,895,817.32 and 9,971,019.28 is: 13,759,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315,866 : 23,895,817.32 = 9,971,019.28 : x
  2. Step 2: Convert to fraction form
    17,315,866/23,895,817.32 = 9,971,019.28/x
  3. Step 3: Cross multiply
    17,315,866x = 23,895,817.32 × 9,971,019.28
  4. Step 4: Simplify right side
    17,315,866x = 238,265,655,209,077.91
  5. Step 5: Solve for x
    x = 238,265,655,209,077.91/17,315,866
  6. Step 6: Final answer
    x = 13,759,961.83

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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.