Home / 10,787,649.80-16,181,474.70-9,705,230.60

Finding the Fourth Proportional to 10,787,649.80, 16,181,474.70 and 9,705,230.60

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Solution

The fourth proportional to 10,787,649.80, 16,181,474.70 and 9,705,230.60 is: 14,557,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,649.80 : 16,181,474.70 = 9,705,230.60 : x
  2. Step 2: Convert to fraction form
    10,787,649.80/16,181,474.70 = 9,705,230.60/x
  3. Step 3: Cross multiply
    10,787,649.80x = 16,181,474.70 × 9,705,230.60
  4. Step 4: Simplify right side
    10,787,649.80x = 157,044,943,411,565.81
  5. Step 5: Solve for x
    x = 157,044,943,411,565.81/10,787,649.80
  6. Step 6: Final answer
    x = 14,557,845.90

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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.