Home / 15,882,953.49-21,918,476.07-9,007,435.58

Finding the Fourth Proportional to 15,882,953.49, 21,918,476.07 and 9,007,435.58

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Solution

The fourth proportional to 15,882,953.49, 21,918,476.07 and 9,007,435.58 is: 12,430,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,882,953.49 : 21,918,476.07 = 9,007,435.58 : x
  2. Step 2: Convert to fraction form
    15,882,953.49/21,918,476.07 = 9,007,435.58/x
  3. Step 3: Cross multiply
    15,882,953.49x = 21,918,476.07 × 9,007,435.58
  4. Step 4: Simplify right side
    15,882,953.49x = 197,429,261,102,704.19
  5. Step 5: Solve for x
    x = 197,429,261,102,704.19/15,882,953.49
  6. Step 6: Final answer
    x = 12,430,261.24

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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.