Home / 10,974,421.25-16,458,142.80-10,257,970.58

Finding the Fourth Proportional to 10,974,421.25, 16,458,142.80 and 10,257,970.58

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Solution

The fourth proportional to 10,974,421.25, 16,458,142.80 and 10,257,970.58 is: 15,383,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974,421.25 : 16,458,142.80 = 10,257,970.58 : x
  2. Step 2: Convert to fraction form
    10,974,421.25/16,458,142.80 = 10,257,970.58/x
  3. Step 3: Cross multiply
    10,974,421.25x = 16,458,142.80 × 10,257,970.58
  4. Step 4: Simplify right side
    10,974,421.25x = 168,827,144,643,838.84
  5. Step 5: Solve for x
    x = 168,827,144,643,838.84/10,974,421.25
  6. Step 6: Final answer
    x = 15,383,694.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.