Home / 13,144,917.52-18,140,837.48-7,343,730.48

Finding the Fourth Proportional to 13,144,917.52, 18,140,837.48 and 7,343,730.48

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Solution

The fourth proportional to 13,144,917.52, 18,140,837.48 and 7,343,730.48 is: 10,134,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144,917.52 : 18,140,837.48 = 7,343,730.48 : x
  2. Step 2: Convert to fraction form
    13,144,917.52/18,140,837.48 = 7,343,730.48/x
  3. Step 3: Cross multiply
    13,144,917.52x = 18,140,837.48 × 7,343,730.48
  4. Step 4: Simplify right side
    13,144,917.52x = 133,221,421,134,602.41
  5. Step 5: Solve for x
    x = 133,221,421,134,602.41/13,144,917.52
  6. Step 6: Final answer
    x = 10,134,823.66

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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.