Home / 38,428,259.76-53,031,764.07-21,024,978.64

Finding the Fourth Proportional to 38,428,259.76, 53,031,764.07 and 21,024,978.64

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Solution

The fourth proportional to 38,428,259.76, 53,031,764.07 and 21,024,978.64 is: 29,014,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428,259.76 : 53,031,764.07 = 21,024,978.64 : x
  2. Step 2: Convert to fraction form
    38,428,259.76/53,031,764.07 = 21,024,978.64/x
  3. Step 3: Cross multiply
    38,428,259.76x = 53,031,764.07 × 21,024,978.64
  4. Step 4: Simplify right side
    38,428,259.76x = 1,114,991,706,680,690
  5. Step 5: Solve for x
    x = 1,114,991,706,680,690/38,428,259.76
  6. Step 6: Final answer
    x = 29,014,889.40

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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.