Home / 30,627,889.36-42,267,376.56-16,877,740.48

Finding the Fourth Proportional to 30,627,889.36, 42,267,376.56 and 16,877,740.48

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Solution

The fourth proportional to 30,627,889.36, 42,267,376.56 and 16,877,740.48 is: 23,291,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627,889.36 : 42,267,376.56 = 16,877,740.48 : x
  2. Step 2: Convert to fraction form
    30,627,889.36/42,267,376.56 = 16,877,740.48/x
  3. Step 3: Cross multiply
    30,627,889.36x = 42,267,376.56 × 16,877,740.48
  4. Step 4: Simplify right side
    30,627,889.36x = 713,377,812,350,115.25
  5. Step 5: Solve for x
    x = 713,377,812,350,115.25/30,627,889.36
  6. Step 6: Final answer
    x = 23,291,771.89

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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.