Home / 28,141,037.30-42,213,229.02-10,869,368.84

Finding the Fourth Proportional to 28,141,037.30, 42,213,229.02 and 10,869,368.84

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Solution

The fourth proportional to 28,141,037.30, 42,213,229.02 and 10,869,368.84 is: 16,304,699.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141,037.30 : 42,213,229.02 = 10,869,368.84 : x
  2. Step 2: Convert to fraction form
    28,141,037.30/42,213,229.02 = 10,869,368.84/x
  3. Step 3: Cross multiply
    28,141,037.30x = 42,213,229.02 × 10,869,368.84
  4. Step 4: Simplify right side
    28,141,037.30x = 458,831,156,145,771.75
  5. Step 5: Solve for x
    x = 458,831,156,145,771.75/28,141,037.30
  6. Step 6: Final answer
    x = 16,304,699.48

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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.