Home / 15,048,784.88-20,766,628.09-8,522,461.05

Finding the Fourth Proportional to 15,048,784.88, 20,766,628.09 and 8,522,461.05

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Solution

The fourth proportional to 15,048,784.88, 20,766,628.09 and 8,522,461.05 is: 11,760,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,784.88 : 20,766,628.09 = 8,522,461.05 : x
  2. Step 2: Convert to fraction form
    15,048,784.88/20,766,628.09 = 8,522,461.05/x
  3. Step 3: Cross multiply
    15,048,784.88x = 20,766,628.09 × 8,522,461.05
  4. Step 4: Simplify right side
    15,048,784.88x = 176,982,779,036,860.91
  5. Step 5: Solve for x
    x = 176,982,779,036,860.91/15,048,784.88
  6. Step 6: Final answer
    x = 11,760,602.63

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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.