Home / 11,285,795.52-15,580,853.76-7,429,526.72

Finding the Fourth Proportional to 11,285,795.52, 15,580,853.76 and 7,429,526.72

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Solution

The fourth proportional to 11,285,795.52, 15,580,853.76 and 7,429,526.72 is: 10,256,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285,795.52 : 15,580,853.76 = 7,429,526.72 : x
  2. Step 2: Convert to fraction form
    11,285,795.52/15,580,853.76 = 7,429,526.72/x
  3. Step 3: Cross multiply
    11,285,795.52x = 15,580,853.76 × 7,429,526.72
  4. Step 4: Simplify right side
    11,285,795.52x = 115,758,369,330,332.47
  5. Step 5: Solve for x
    x = 115,758,369,330,332.47/11,285,795.52
  6. Step 6: Final answer
    x = 10,256,996.87

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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.