Home / 15,863,894.31-21,890,214.45-9,666,682.32

Finding the Fourth Proportional to 15,863,894.31, 21,890,214.45 and 9,666,682.32

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Solution

The fourth proportional to 15,863,894.31, 21,890,214.45 and 9,666,682.32 is: 13,338,827.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863,894.31 : 21,890,214.45 = 9,666,682.32 : x
  2. Step 2: Convert to fraction form
    15,863,894.31/21,890,214.45 = 9,666,682.32/x
  3. Step 3: Cross multiply
    15,863,894.31x = 21,890,214.45 × 9,666,682.32
  4. Step 4: Simplify right side
    15,863,894.31x = 211,605,749,004,823.53
  5. Step 5: Solve for x
    x = 211,605,749,004,823.53/15,863,894.31
  6. Step 6: Final answer
    x = 13,338,827.46

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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.