Home / 38,984,656.08-53,799,250.86-21,581,291.82

Finding the Fourth Proportional to 38,984,656.08, 53,799,250.86 and 21,581,291.82

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Solution

The fourth proportional to 38,984,656.08, 53,799,250.86 and 21,581,291.82 is: 29,782,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984,656.08 : 53,799,250.86 = 21,581,291.82 : x
  2. Step 2: Convert to fraction form
    38,984,656.08/53,799,250.86 = 21,581,291.82/x
  3. Step 3: Cross multiply
    38,984,656.08x = 53,799,250.86 × 21,581,291.82
  4. Step 4: Simplify right side
    38,984,656.08x = 1,161,057,332,507,046
  5. Step 5: Solve for x
    x = 1,161,057,332,507,046/38,984,656.08
  6. Step 6: Final answer
    x = 29,782,418.24

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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.