Home / 15,630,239.03-21,570,042.14-9,104,288.87

Finding the Fourth Proportional to 15,630,239.03, 21,570,042.14 and 9,104,288.87

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Solution

The fourth proportional to 15,630,239.03, 21,570,042.14 and 9,104,288.87 is: 12,564,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630,239.03 : 21,570,042.14 = 9,104,288.87 : x
  2. Step 2: Convert to fraction form
    15,630,239.03/21,570,042.14 = 9,104,288.87/x
  3. Step 3: Cross multiply
    15,630,239.03x = 21,570,042.14 × 9,104,288.87
  4. Step 4: Simplify right side
    15,630,239.03x = 196,379,894,579,774.94
  5. Step 5: Solve for x
    x = 196,379,894,579,774.94/15,630,239.03
  6. Step 6: Final answer
    x = 12,564,100.53

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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.