Home / 12,483,115,213.92-18,721,807,489.35-7,442,397,985.02

Finding the Fourth Proportional to 12,483,115,213.92, 18,721,807,489.35 and 7,442,397,985.02

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Solution

The fourth proportional to 12,483,115,213.92, 18,721,807,489.35 and 7,442,397,985.02 is: 11,161,888,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,115,213.92 : 18,721,807,489.35 = 7,442,397,985.02 : x
  2. Step 2: Convert to fraction form
    12,483,115,213.92/18,721,807,489.35 = 7,442,397,985.02/x
  3. Step 3: Cross multiply
    12,483,115,213.92x = 18,721,807,489.35 × 7,442,397,985.02
  4. Step 4: Simplify right side
    12,483,115,213.92x = 139,335,142,334,670,782,464
  5. Step 5: Solve for x
    x = 139,335,142,334,670,782,464/12,483,115,213.92
  6. Step 6: Final answer
    x = 11,161,888,674.98

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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.