Home / 13,516,071.85-18,637,235.81-8,613,532.27

Finding the Fourth Proportional to 13,516,071.85, 18,637,235.81 and 8,613,532.27

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Solution

The fourth proportional to 13,516,071.85, 18,637,235.81 and 8,613,532.27 is: 11,877,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516,071.85 : 18,637,235.81 = 8,613,532.27 : x
  2. Step 2: Convert to fraction form
    13,516,071.85/18,637,235.81 = 8,613,532.27/x
  3. Step 3: Cross multiply
    13,516,071.85x = 18,637,235.81 × 8,613,532.27
  4. Step 4: Simplify right side
    13,516,071.85x = 160,532,431,979,848.41
  5. Step 5: Solve for x
    x = 160,532,431,979,848.41/13,516,071.85
  6. Step 6: Final answer
    x = 11,877,151.43

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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.