Home / 30,566,842.47-42,242,764.88-25,051,518.24

Finding the Fourth Proportional to 30,566,842.47, 42,242,764.88 and 25,051,518.24

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Solution

The fourth proportional to 30,566,842.47, 42,242,764.88 and 25,051,518.24 is: 34,620,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566,842.47 : 42,242,764.88 = 25,051,518.24 : x
  2. Step 2: Convert to fraction form
    30,566,842.47/42,242,764.88 = 25,051,518.24/x
  3. Step 3: Cross multiply
    30,566,842.47x = 42,242,764.88 × 25,051,518.24
  4. Step 4: Simplify right side
    30,566,842.47x = 1,058,245,394,774,093.75
  5. Step 5: Solve for x
    x = 1,058,245,394,774,093.75/30,566,842.47
  6. Step 6: Final answer
    x = 34,620,697.11

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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.