Home / 28,581,966.18-39,443,472.05-15,529,443.07

Finding the Fourth Proportional to 28,581,966.18, 39,443,472.05 and 15,529,443.07

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Solution

The fourth proportional to 28,581,966.18, 39,443,472.05 and 15,529,443.07 is: 21,430,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,581,966.18 : 39,443,472.05 = 15,529,443.07 : x
  2. Step 2: Convert to fraction form
    28,581,966.18/39,443,472.05 = 15,529,443.07/x
  3. Step 3: Cross multiply
    28,581,966.18x = 39,443,472.05 × 15,529,443.07
  4. Step 4: Simplify right side
    28,581,966.18x = 612,535,153,683,611.12
  5. Step 5: Solve for x
    x = 612,535,153,683,611.12/28,581,966.18
  6. Step 6: Final answer
    x = 21,430,826.34

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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.