Home / 38,907,657.90-58,362,675.93-13,348,308.78

Finding the Fourth Proportional to 38,907,657.90, 58,362,675.93 and 13,348,308.78

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Solution

The fourth proportional to 38,907,657.90, 58,362,675.93 and 13,348,308.78 is: 20,022,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907,657.90 : 58,362,675.93 = 13,348,308.78 : x
  2. Step 2: Convert to fraction form
    38,907,657.90/58,362,675.93 = 13,348,308.78/x
  3. Step 3: Cross multiply
    38,907,657.90x = 58,362,675.93 × 13,348,308.78
  4. Step 4: Simplify right side
    38,907,657.90x = 779,043,019,540,713.62
  5. Step 5: Solve for x
    x = 779,043,019,540,713.62/38,907,657.90
  6. Step 6: Final answer
    x = 20,022,871.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.