Home / 21,011,076.70-31,516,615.05-16,759,548.70

Finding the Fourth Proportional to 21,011,076.70, 31,516,615.05 and 16,759,548.70

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Solution

The fourth proportional to 21,011,076.70, 31,516,615.05 and 16,759,548.70 is: 25,139,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,076.70 : 31,516,615.05 = 16,759,548.70 : x
  2. Step 2: Convert to fraction form
    21,011,076.70/31,516,615.05 = 16,759,548.70/x
  3. Step 3: Cross multiply
    21,011,076.70x = 31,516,615.05 × 16,759,548.70
  4. Step 4: Simplify right side
    21,011,076.70x = 528,204,244,789,627.94
  5. Step 5: Solve for x
    x = 528,204,244,789,627.94/21,011,076.70
  6. Step 6: Final answer
    x = 25,139,323.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.