Home / 7,020,657.48-10,531,394.48-1,972,361.64

Finding the Fourth Proportional to 7,020,657.48, 10,531,394.48 and 1,972,361.64

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Solution

The fourth proportional to 7,020,657.48, 10,531,394.48 and 1,972,361.64 is: 2,958,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,657.48 : 10,531,394.48 = 1,972,361.64 : x
  2. Step 2: Convert to fraction form
    7,020,657.48/10,531,394.48 = 1,972,361.64/x
  3. Step 3: Cross multiply
    7,020,657.48x = 10,531,394.48 × 1,972,361.64
  4. Step 4: Simplify right side
    7,020,657.48x = 20,771,718,488,059.75
  5. Step 5: Solve for x
    x = 20,771,718,488,059.75/7,020,657.48
  6. Step 6: Final answer
    x = 2,958,657.16

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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.