Home / 30,745,398.72-42,432,868.80-17,692,391.04

Finding the Fourth Proportional to 30,745,398.72, 42,432,868.80 and 17,692,391.04

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Solution

The fourth proportional to 30,745,398.72, 42,432,868.80 and 17,692,391.04 is: 24,417,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,745,398.72 : 42,432,868.80 = 17,692,391.04 : x
  2. Step 2: Convert to fraction form
    30,745,398.72/42,432,868.80 = 17,692,391.04/x
  3. Step 3: Cross multiply
    30,745,398.72x = 42,432,868.80 × 17,692,391.04
  4. Step 4: Simplify right side
    30,745,398.72x = 750,738,907,758,615.50
  5. Step 5: Solve for x
    x = 750,738,907,758,615.50/30,745,398.72
  6. Step 6: Final answer
    x = 24,417,927.20

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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.