Home / 28,232,743.80-42,348,240.90-8,037,985.80

Finding the Fourth Proportional to 28,232,743.80, 42,348,240.90 and 8,037,985.80

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Solution

The fourth proportional to 28,232,743.80, 42,348,240.90 and 8,037,985.80 is: 12,056,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232,743.80 : 42,348,240.90 = 8,037,985.80 : x
  2. Step 2: Convert to fraction form
    28,232,743.80/42,348,240.90 = 8,037,985.80/x
  3. Step 3: Cross multiply
    28,232,743.80x = 42,348,240.90 × 8,037,985.80
  4. Step 4: Simplify right side
    28,232,743.80x = 340,394,559,009,179.19
  5. Step 5: Solve for x
    x = 340,394,559,009,179.19/28,232,743.80
  6. Step 6: Final answer
    x = 12,056,729.64

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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.