Home / 12,483,115,546.08-18,721,807,986.48-7,442,398,316.64

Finding the Fourth Proportional to 12,483,115,546.08, 18,721,807,986.48 and 7,442,398,316.64

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Solution

The fourth proportional to 12,483,115,546.08, 18,721,807,986.48 and 7,442,398,316.64 is: 11,161,889,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,115,546.08 : 18,721,807,986.48 = 7,442,398,316.64 : x
  2. Step 2: Convert to fraction form
    12,483,115,546.08/18,721,807,986.48 = 7,442,398,316.64/x
  3. Step 3: Cross multiply
    12,483,115,546.08x = 18,721,807,986.48 × 7,442,398,316.64
  4. Step 4: Simplify right side
    12,483,115,546.08x = 139,335,152,243,036,061,696
  5. Step 5: Solve for x
    x = 139,335,152,243,036,061,696/12,483,115,546.08
  6. Step 6: Final answer
    x = 11,161,889,171.71

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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.