Home / 10,475,456.89-15,713,849.40-3,287,274.43

Finding the Fourth Proportional to 10,475,456.89, 15,713,849.40 and 3,287,274.43

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Solution

The fourth proportional to 10,475,456.89, 15,713,849.40 and 3,287,274.43 is: 4,931,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475,456.89 : 15,713,849.40 = 3,287,274.43 : x
  2. Step 2: Convert to fraction form
    10,475,456.89/15,713,849.40 = 3,287,274.43/x
  3. Step 3: Cross multiply
    10,475,456.89x = 15,713,849.40 × 3,287,274.43
  4. Step 4: Simplify right side
    10,475,456.89x = 51,655,735,329,490.84
  5. Step 5: Solve for x
    x = 51,655,735,329,490.84/10,475,456.89
  6. Step 6: Final answer
    x = 4,931,120.03

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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.