Home / 21,266,425.60-31,899,638.40-10,488,889.60

Finding the Fourth Proportional to 21,266,425.60, 31,899,638.40 and 10,488,889.60

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Solution

The fourth proportional to 21,266,425.60, 31,899,638.40 and 10,488,889.60 is: 15,733,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266,425.60 : 31,899,638.40 = 10,488,889.60 : x
  2. Step 2: Convert to fraction form
    21,266,425.60/31,899,638.40 = 10,488,889.60/x
  3. Step 3: Cross multiply
    21,266,425.60x = 31,899,638.40 × 10,488,889.60
  4. Step 4: Simplify right side
    21,266,425.60x = 334,591,785,457,520.62
  5. Step 5: Solve for x
    x = 334,591,785,457,520.62/21,266,425.60
  6. Step 6: Final answer
    x = 15,733,334.40

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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.