Home / 11,487,663.12-15,852,975.20-6,331,024.72

Finding the Fourth Proportional to 11,487,663.12, 15,852,975.20 and 6,331,024.72

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Solution

The fourth proportional to 11,487,663.12, 15,852,975.20 and 6,331,024.72 is: 8,736,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487,663.12 : 15,852,975.20 = 6,331,024.72 : x
  2. Step 2: Convert to fraction form
    11,487,663.12/15,852,975.20 = 6,331,024.72/x
  3. Step 3: Cross multiply
    11,487,663.12x = 15,852,975.20 × 6,331,024.72
  4. Step 4: Simplify right side
    11,487,663.12x = 100,365,577,876,746.94
  5. Step 5: Solve for x
    x = 100,365,577,876,746.94/11,487,663.12
  6. Step 6: Final answer
    x = 8,736,814.17

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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.