Home / 20,867,519.60-31,301,279.40-14,373,004.40

Finding the Fourth Proportional to 20,867,519.60, 31,301,279.40 and 14,373,004.40

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Solution

The fourth proportional to 20,867,519.60, 31,301,279.40 and 14,373,004.40 is: 21,559,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,867,519.60 : 31,301,279.40 = 14,373,004.40 : x
  2. Step 2: Convert to fraction form
    20,867,519.60/31,301,279.40 = 14,373,004.40/x
  3. Step 3: Cross multiply
    20,867,519.60x = 31,301,279.40 × 14,373,004.40
  4. Step 4: Simplify right side
    20,867,519.60x = 449,893,426,541,829.38
  5. Step 5: Solve for x
    x = 449,893,426,541,829.38/20,867,519.60
  6. Step 6: Final answer
    x = 21,559,506.60

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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.