Home / 28,467,254.89-39,284,865.19-15,908,309.63

Finding the Fourth Proportional to 28,467,254.89, 39,284,865.19 and 15,908,309.63

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Solution

The fourth proportional to 28,467,254.89, 39,284,865.19 and 15,908,309.63 is: 21,953,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467,254.89 : 39,284,865.19 = 15,908,309.63 : x
  2. Step 2: Convert to fraction form
    28,467,254.89/39,284,865.19 = 15,908,309.63/x
  3. Step 3: Cross multiply
    28,467,254.89x = 39,284,865.19 × 15,908,309.63
  4. Step 4: Simplify right side
    28,467,254.89x = 624,955,799,215,328.75
  5. Step 5: Solve for x
    x = 624,955,799,215,328.75/28,467,254.89
  6. Step 6: Final answer
    x = 21,953,497.15

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1.5x scale

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.