Home / 30,975,260.88-42,745,895.20-17,223,929.76

Finding the Fourth Proportional to 30,975,260.88, 42,745,895.20 and 17,223,929.76

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Solution

The fourth proportional to 30,975,260.88, 42,745,895.20 and 17,223,929.76 is: 23,769,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975,260.88 : 42,745,895.20 = 17,223,929.76 : x
  2. Step 2: Convert to fraction form
    30,975,260.88/42,745,895.20 = 17,223,929.76/x
  3. Step 3: Cross multiply
    30,975,260.88x = 42,745,895.20 × 17,223,929.76
  4. Step 4: Simplify right side
    30,975,260.88x = 736,252,296,453,121.25
  5. Step 5: Solve for x
    x = 736,252,296,453,121.25/30,975,260.88
  6. Step 6: Final answer
    x = 23,769,042.63

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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.