Home / 47,390,768.88-71,038,296.36-18,657,072.24

Finding the Fourth Proportional to 47,390,768.88, 71,038,296.36 and 18,657,072.24

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Solution

The fourth proportional to 47,390,768.88, 71,038,296.36 and 18,657,072.24 is: 27,966,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390,768.88 : 71,038,296.36 = 18,657,072.24 : x
  2. Step 2: Convert to fraction form
    47,390,768.88/71,038,296.36 = 18,657,072.24/x
  3. Step 3: Cross multiply
    47,390,768.88x = 71,038,296.36 × 18,657,072.24
  4. Step 4: Simplify right side
    47,390,768.88x = 1,325,366,626,995,049
  5. Step 5: Solve for x
    x = 1,325,366,626,995,049/47,390,768.88
  6. Step 6: Final answer
    x = 27,966,767.75

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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.