Home / 20,773,445.64-31,160,126.67-19,509,316.12

Finding the Fourth Proportional to 20,773,445.64, 31,160,126.67 and 19,509,316.12

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Solution

The fourth proportional to 20,773,445.64, 31,160,126.67 and 19,509,316.12 is: 29,263,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773,445.64 : 31,160,126.67 = 19,509,316.12 : x
  2. Step 2: Convert to fraction form
    20,773,445.64/31,160,126.67 = 19,509,316.12/x
  3. Step 3: Cross multiply
    20,773,445.64x = 31,160,126.67 × 19,509,316.12
  4. Step 4: Simplify right side
    20,773,445.64x = 607,912,761,544,273
  5. Step 5: Solve for x
    x = 607,912,761,544,273/20,773,445.64
  6. Step 6: Final answer
    x = 29,263,934.93

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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.