Home / 28,006,995.60-42,010,493.40-10,962,003.60

Finding the Fourth Proportional to 28,006,995.60, 42,010,493.40 and 10,962,003.60

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Solution

The fourth proportional to 28,006,995.60, 42,010,493.40 and 10,962,003.60 is: 16,443,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,995.60 : 42,010,493.40 = 10,962,003.60 : x
  2. Step 2: Convert to fraction form
    28,006,995.60/42,010,493.40 = 10,962,003.60/x
  3. Step 3: Cross multiply
    28,006,995.60x = 42,010,493.40 × 10,962,003.60
  4. Step 4: Simplify right side
    28,006,995.60x = 460,519,179,888,576.19
  5. Step 5: Solve for x
    x = 460,519,179,888,576.19/28,006,995.60
  6. Step 6: Final answer
    x = 16,443,005.40

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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.