Home / 20,316,114.21-28,034,857.31-11,149,347.45

Finding the Fourth Proportional to 20,316,114.21, 28,034,857.31 and 11,149,347.45

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Solution

The fourth proportional to 20,316,114.21, 28,034,857.31 and 11,149,347.45 is: 15,385,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316,114.21 : 28,034,857.31 = 11,149,347.45 : x
  2. Step 2: Convert to fraction form
    20,316,114.21/28,034,857.31 = 11,149,347.45/x
  3. Step 3: Cross multiply
    20,316,114.21x = 28,034,857.31 × 11,149,347.45
  4. Step 4: Simplify right side
    20,316,114.21x = 312,570,364,804,615.62
  5. Step 5: Solve for x
    x = 312,570,364,804,615.62/20,316,114.21
  6. Step 6: Final answer
    x = 15,385,341.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.