Home / 19,708,984-27,000,854.48-18,972,126.20

Finding the Fourth Proportional to 19,708,984, 27,000,854.48 and 18,972,126.20

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Solution

The fourth proportional to 19,708,984, 27,000,854.48 and 18,972,126.20 is: 25,991,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708,984 : 27,000,854.48 = 18,972,126.20 : x
  2. Step 2: Convert to fraction form
    19,708,984/27,000,854.48 = 18,972,126.20/x
  3. Step 3: Cross multiply
    19,708,984x = 27,000,854.48 × 18,972,126.20
  4. Step 4: Simplify right side
    19,708,984x = 512,263,618,702,395.38
  5. Step 5: Solve for x
    x = 512,263,618,702,395.38/19,708,984
  6. Step 6: Final answer
    x = 25,991,376.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.