Home / 30,603,021-42,232,168.98-16,851,952.32

Finding the Fourth Proportional to 30,603,021, 42,232,168.98 and 16,851,952.32

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Solution

The fourth proportional to 30,603,021, 42,232,168.98 and 16,851,952.32 is: 23,255,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603,021 : 42,232,168.98 = 16,851,952.32 : x
  2. Step 2: Convert to fraction form
    30,603,021/42,232,168.98 = 16,851,952.32/x
  3. Step 3: Cross multiply
    30,603,021x = 42,232,168.98 × 16,851,952.32
  4. Step 4: Simplify right side
    30,603,021x = 711,694,498,021,143
  5. Step 5: Solve for x
    x = 711,694,498,021,143/30,603,021
  6. Step 6: Final answer
    x = 23,255,694.20

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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.