Home / 48,014,478-72,021,901.68-11,622,808.80

Finding the Fourth Proportional to 48,014,478, 72,021,901.68 and 11,622,808.80

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Solution

The fourth proportional to 48,014,478, 72,021,901.68 and 11,622,808.80 is: 17,434,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,014,478 : 72,021,901.68 = 11,622,808.80 : x
  2. Step 2: Convert to fraction form
    48,014,478/72,021,901.68 = 11,622,808.80/x
  3. Step 3: Cross multiply
    48,014,478x = 72,021,901.68 × 11,622,808.80
  4. Step 4: Simplify right side
    48,014,478x = 837,096,792,639,038.88
  5. Step 5: Solve for x
    x = 837,096,792,639,038.88/48,014,478
  6. Step 6: Final answer
    x = 17,434,257.91

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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.