Home / 14,370,172.26-19,827,877.40-8,257,419.78

Finding the Fourth Proportional to 14,370,172.26, 19,827,877.40 and 8,257,419.78

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Solution

The fourth proportional to 14,370,172.26, 19,827,877.40 and 8,257,419.78 is: 11,393,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370,172.26 : 19,827,877.40 = 8,257,419.78 : x
  2. Step 2: Convert to fraction form
    14,370,172.26/19,827,877.40 = 8,257,419.78/x
  3. Step 3: Cross multiply
    14,370,172.26x = 19,827,877.40 × 8,257,419.78
  4. Step 4: Simplify right side
    14,370,172.26x = 163,727,107,038,174.97
  5. Step 5: Solve for x
    x = 163,727,107,038,174.97/14,370,172.26
  6. Step 6: Final answer
    x = 11,393,538.23

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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.