Home / 30,731,349.64-42,408,750.22-16,792,398.52

Finding the Fourth Proportional to 30,731,349.64, 42,408,750.22 and 16,792,398.52

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Solution

The fourth proportional to 30,731,349.64, 42,408,750.22 and 16,792,398.52 is: 23,173,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731,349.64 : 42,408,750.22 = 16,792,398.52 : x
  2. Step 2: Convert to fraction form
    30,731,349.64/42,408,750.22 = 16,792,398.52/x
  3. Step 3: Cross multiply
    30,731,349.64x = 42,408,750.22 × 16,792,398.52
  4. Step 4: Simplify right side
    30,731,349.64x = 712,144,634,429,377.62
  5. Step 5: Solve for x
    x = 712,144,634,429,377.62/30,731,349.64
  6. Step 6: Final answer
    x = 23,173,230.03

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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.