Home / 15,415,628.72-21,268,330.42-8,795,461.32

Finding the Fourth Proportional to 15,415,628.72, 21,268,330.42 and 8,795,461.32

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Solution

The fourth proportional to 15,415,628.72, 21,268,330.42 and 8,795,461.32 is: 12,134,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415,628.72 : 21,268,330.42 = 8,795,461.32 : x
  2. Step 2: Convert to fraction form
    15,415,628.72/21,268,330.42 = 8,795,461.32/x
  3. Step 3: Cross multiply
    15,415,628.72x = 21,268,330.42 × 8,795,461.32
  4. Step 4: Simplify right side
    15,415,628.72x = 187,064,777,550,089.38
  5. Step 5: Solve for x
    x = 187,064,777,550,089.38/15,415,628.72
  6. Step 6: Final answer
    x = 12,134,748.50

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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.