Home / 20,316,110.70-28,034,852.47-11,149,343.94

Finding the Fourth Proportional to 20,316,110.70, 28,034,852.47 and 11,149,343.94

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Solution

The fourth proportional to 20,316,110.70, 28,034,852.47 and 11,149,343.94 is: 15,385,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316,110.70 : 28,034,852.47 = 11,149,343.94 : x
  2. Step 2: Convert to fraction form
    20,316,110.70/28,034,852.47 = 11,149,343.94/x
  3. Step 3: Cross multiply
    20,316,110.70x = 28,034,852.47 × 11,149,343.94
  4. Step 4: Simplify right side
    20,316,110.70x = 312,570,212,495,188.50
  5. Step 5: Solve for x
    x = 312,570,212,495,188.50/20,316,110.70
  6. Step 6: Final answer
    x = 15,385,337.14

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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.