Home / 30,632,823.63-42,273,295.95-16,881,787.76

Finding the Fourth Proportional to 30,632,823.63, 42,273,295.95 and 16,881,787.76

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Solution

The fourth proportional to 30,632,823.63, 42,273,295.95 and 16,881,787.76 is: 23,296,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632,823.63 : 42,273,295.95 = 16,881,787.76 : x
  2. Step 2: Convert to fraction form
    30,632,823.63/42,273,295.95 = 16,881,787.76/x
  3. Step 3: Cross multiply
    30,632,823.63x = 42,273,295.95 × 16,881,787.76
  4. Step 4: Simplify right side
    30,632,823.63x = 713,648,809,932,201.12
  5. Step 5: Solve for x
    x = 713,648,809,932,201.12/30,632,823.63
  6. Step 6: Final answer
    x = 23,296,866.74

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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.