Home / 15,875,290.30-21,917,292.21-9,999,960.94

Finding the Fourth Proportional to 15,875,290.30, 21,917,292.21 and 9,999,960.94

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Solution

The fourth proportional to 15,875,290.30, 21,917,292.21 and 9,999,960.94 is: 13,805,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875,290.30 : 21,917,292.21 = 9,999,960.94 : x
  2. Step 2: Convert to fraction form
    15,875,290.30/21,917,292.21 = 9,999,960.94/x
  3. Step 3: Cross multiply
    15,875,290.30x = 21,917,292.21 × 9,999,960.94
  4. Step 4: Simplify right side
    15,875,290.30x = 219,172,066,010,566.28
  5. Step 5: Solve for x
    x = 219,172,066,010,566.28/15,875,290.30
  6. Step 6: Final answer
    x = 13,805,861.93

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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.