Home / 30,838,509.58-42,557,193.15-16,897,649.61

Finding the Fourth Proportional to 30,838,509.58, 42,557,193.15 and 16,897,649.61

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Solution

The fourth proportional to 30,838,509.58, 42,557,193.15 and 16,897,649.61 is: 23,318,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,838,509.58 : 42,557,193.15 = 16,897,649.61 : x
  2. Step 2: Convert to fraction form
    30,838,509.58/42,557,193.15 = 16,897,649.61/x
  3. Step 3: Cross multiply
    30,838,509.58x = 42,557,193.15 × 16,897,649.61
  4. Step 4: Simplify right side
    30,838,509.58x = 719,116,538,149,304
  5. Step 5: Solve for x
    x = 719,116,538,149,304/30,838,509.58
  6. Step 6: Final answer
    x = 23,318,783.82

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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.