Home / 30,803,634.20-42,495,668.34-18,573,696.92

Finding the Fourth Proportional to 30,803,634.20, 42,495,668.34 and 18,573,696.92

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Solution

The fourth proportional to 30,803,634.20, 42,495,668.34 and 18,573,696.92 is: 25,623,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803,634.20 : 42,495,668.34 = 18,573,696.92 : x
  2. Step 2: Convert to fraction form
    30,803,634.20/42,495,668.34 = 18,573,696.92/x
  3. Step 3: Cross multiply
    30,803,634.20x = 42,495,668.34 × 18,573,696.92
  4. Step 4: Simplify right side
    30,803,634.20x = 789,301,664,159,999.62
  5. Step 5: Solve for x
    x = 789,301,664,159,999.62/30,803,634.20
  6. Step 6: Final answer
    x = 25,623,653.98

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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.