Home / 48,834,671.48-67,389,371.78-28,989,285.12

Finding the Fourth Proportional to 48,834,671.48, 67,389,371.78 and 28,989,285.12

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Solution

The fourth proportional to 48,834,671.48, 67,389,371.78 and 28,989,285.12 is: 40,003,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,834,671.48 : 67,389,371.78 = 28,989,285.12 : x
  2. Step 2: Convert to fraction form
    48,834,671.48/67,389,371.78 = 28,989,285.12/x
  3. Step 3: Cross multiply
    48,834,671.48x = 67,389,371.78 × 28,989,285.12
  4. Step 4: Simplify right side
    48,834,671.48x = 1,953,569,712,443,155.75
  5. Step 5: Solve for x
    x = 1,953,569,712,443,155.75/48,834,671.48
  6. Step 6: Final answer
    x = 40,003,744.34

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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.