Home / 19,429,580.80-29,161,996.80-9,851,622.40

Finding the Fourth Proportional to 19,429,580.80, 29,161,996.80 and 9,851,622.40

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Solution

The fourth proportional to 19,429,580.80, 29,161,996.80 and 9,851,622.40 is: 14,786,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429,580.80 : 29,161,996.80 = 9,851,622.40 : x
  2. Step 2: Convert to fraction form
    19,429,580.80/29,161,996.80 = 9,851,622.40/x
  3. Step 3: Cross multiply
    19,429,580.80x = 29,161,996.80 × 9,851,622.40
  4. Step 4: Simplify right side
    19,429,580.80x = 287,292,980,903,608.31
  5. Step 5: Solve for x
    x = 287,292,980,903,608.31/19,429,580.80
  6. Step 6: Final answer
    x = 14,786,370.53

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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.