Home / 31,066,147.96-42,853,507.32-19,443,533.29

Finding the Fourth Proportional to 31,066,147.96, 42,853,507.32 and 19,443,533.29

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Solution

The fourth proportional to 31,066,147.96, 42,853,507.32 and 19,443,533.29 is: 26,820,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,066,147.96 : 42,853,507.32 = 19,443,533.29 : x
  2. Step 2: Convert to fraction form
    31,066,147.96/42,853,507.32 = 19,443,533.29/x
  3. Step 3: Cross multiply
    31,066,147.96x = 42,853,507.32 × 19,443,533.29
  4. Step 4: Simplify right side
    31,066,147.96x = 833,223,596,169,678.62
  5. Step 5: Solve for x
    x = 833,223,596,169,678.62/31,066,147.96
  6. Step 6: Final answer
    x = 26,820,949.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.