Home / 8,219,663.92-11,342,966.40-4,548,578.16

Finding the Fourth Proportional to 8,219,663.92, 11,342,966.40 and 4,548,578.16

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Solution

The fourth proportional to 8,219,663.92, 11,342,966.40 and 4,548,578.16 is: 6,276,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,663.92 : 11,342,966.40 = 4,548,578.16 : x
  2. Step 2: Convert to fraction form
    8,219,663.92/11,342,966.40 = 4,548,578.16/x
  3. Step 3: Cross multiply
    8,219,663.92x = 11,342,966.40 × 4,548,578.16
  4. Step 4: Simplify right side
    8,219,663.92x = 51,594,369,236,653.83
  5. Step 5: Solve for x
    x = 51,594,369,236,653.83/8,219,663.92
  6. Step 6: Final answer
    x = 6,276,943.89

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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.