Home / 8,513,121.78-11,748,460.83-4,842,684.93

Finding the Fourth Proportional to 8,513,121.78, 11,748,460.83 and 4,842,684.93

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Solution

The fourth proportional to 8,513,121.78, 11,748,460.83 and 4,842,684.93 is: 6,683,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,121.78 : 11,748,460.83 = 4,842,684.93 : x
  2. Step 2: Convert to fraction form
    8,513,121.78/11,748,460.83 = 4,842,684.93/x
  3. Step 3: Cross multiply
    8,513,121.78x = 11,748,460.83 × 4,842,684.93
  4. Step 4: Simplify right side
    8,513,121.78x = 56,894,094,212,136.29
  5. Step 5: Solve for x
    x = 56,894,094,212,136.29/8,513,121.78
  6. Step 6: Final answer
    x = 6,683,105.88

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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.