Home / 9,155,008.80-12,634,509.60-5,287,692.96

Finding the Fourth Proportional to 9,155,008.80, 12,634,509.60 and 5,287,692.96

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Solution

The fourth proportional to 9,155,008.80, 12,634,509.60 and 5,287,692.96 is: 7,297,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155,008.80 : 12,634,509.60 = 5,287,692.96 : x
  2. Step 2: Convert to fraction form
    9,155,008.80/12,634,509.60 = 5,287,692.96/x
  3. Step 3: Cross multiply
    9,155,008.80x = 12,634,509.60 × 5,287,692.96
  4. Step 4: Simplify right side
    9,155,008.80x = 66,807,407,464,972.41
  5. Step 5: Solve for x
    x = 66,807,407,464,972.41/9,155,008.80
  6. Step 6: Final answer
    x = 7,297,361.36

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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.