Home / 14,296,987.64-19,730,042.75-7,770,615.14

Finding the Fourth Proportional to 14,296,987.64, 19,730,042.75 and 7,770,615.14

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Solution

The fourth proportional to 14,296,987.64, 19,730,042.75 and 7,770,615.14 is: 10,723,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296,987.64 : 19,730,042.75 = 7,770,615.14 : x
  2. Step 2: Convert to fraction form
    14,296,987.64/19,730,042.75 = 7,770,615.14/x
  3. Step 3: Cross multiply
    14,296,987.64x = 19,730,042.75 × 7,770,615.14
  4. Step 4: Simplify right side
    14,296,987.64x = 153,314,568,841,916.41
  5. Step 5: Solve for x
    x = 153,314,568,841,916.41/14,296,987.64
  6. Step 6: Final answer
    x = 10,723,557.49

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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.