Home / 30,831,502.15-42,544,040.23-17,077,021.75

Finding the Fourth Proportional to 30,831,502.15, 42,544,040.23 and 17,077,021.75

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Solution

The fourth proportional to 30,831,502.15, 42,544,040.23 and 17,077,021.75 is: 23,564,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,831,502.15 : 42,544,040.23 = 17,077,021.75 : x
  2. Step 2: Convert to fraction form
    30,831,502.15/42,544,040.23 = 17,077,021.75/x
  3. Step 3: Cross multiply
    30,831,502.15x = 42,544,040.23 × 17,077,021.75
  4. Step 4: Simplify right side
    30,831,502.15x = 726,525,500,340,585
  5. Step 5: Solve for x
    x = 726,525,500,340,585/30,831,502.15
  6. Step 6: Final answer
    x = 23,564,388.68

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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.