Home / 28,581,966.68-39,443,472.74-15,529,443.57

Finding the Fourth Proportional to 28,581,966.68, 39,443,472.74 and 15,529,443.57

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Solution

The fourth proportional to 28,581,966.68, 39,443,472.74 and 15,529,443.57 is: 21,430,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,581,966.68 : 39,443,472.74 = 15,529,443.57 : x
  2. Step 2: Convert to fraction form
    28,581,966.68/39,443,472.74 = 15,529,443.57/x
  3. Step 3: Cross multiply
    28,581,966.68x = 39,443,472.74 × 15,529,443.57
  4. Step 4: Simplify right side
    28,581,966.68x = 612,535,184,043,016.12
  5. Step 5: Solve for x
    x = 612,535,184,043,016.12/28,581,966.68
  6. Step 6: Final answer
    x = 21,430,827.03

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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.