Home / 28,667,706-39,561,434.28-15,790,650

Finding the Fourth Proportional to 28,667,706, 39,561,434.28 and 15,790,650

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Solution

The fourth proportional to 28,667,706, 39,561,434.28 and 15,790,650 is: 21,791,097

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667,706 : 39,561,434.28 = 15,790,650 : x
  2. Step 2: Convert to fraction form
    28,667,706/39,561,434.28 = 15,790,650/x
  3. Step 3: Cross multiply
    28,667,706x = 39,561,434.28 × 15,790,650
  4. Step 4: Simplify right side
    28,667,706x = 624,700,762,213,482
  5. Step 5: Solve for x
    x = 624,700,762,213,482/28,667,706
  6. Step 6: Final answer
    x = 21,791,097

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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.