Home / 30,941,823.20-42,701,044.64-17,190,787.32

Finding the Fourth Proportional to 30,941,823.20, 42,701,044.64 and 17,190,787.32

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Solution

The fourth proportional to 30,941,823.20, 42,701,044.64 and 17,190,787.32 is: 23,724,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941,823.20 : 42,701,044.64 = 17,190,787.32 : x
  2. Step 2: Convert to fraction form
    30,941,823.20/42,701,044.64 = 17,190,787.32/x
  3. Step 3: Cross multiply
    30,941,823.20x = 42,701,044.64 × 17,190,787.32
  4. Step 4: Simplify right side
    30,941,823.20x = 734,064,576,662,112
  5. Step 5: Solve for x
    x = 734,064,576,662,112/30,941,823.20
  6. Step 6: Final answer
    x = 23,724,024.67

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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.