Home / 38,845,670.43-53,607,030.44-21,442,018.93

Finding the Fourth Proportional to 38,845,670.43, 53,607,030.44 and 21,442,018.93

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Solution

The fourth proportional to 38,845,670.43, 53,607,030.44 and 21,442,018.93 is: 29,589,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845,670.43 : 53,607,030.44 = 21,442,018.93 : x
  2. Step 2: Convert to fraction form
    38,845,670.43/53,607,030.44 = 21,442,018.93/x
  3. Step 3: Cross multiply
    38,845,670.43x = 53,607,030.44 × 21,442,018.93
  4. Step 4: Simplify right side
    38,845,670.43x = 1,149,442,961,475,566.25
  5. Step 5: Solve for x
    x = 1,149,442,961,475,566.25/38,845,670.43
  6. Step 6: Final answer
    x = 29,589,989.02

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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.