Home / 13,516,055.60-18,637,213.39-8,613,516.02

Finding the Fourth Proportional to 13,516,055.60, 18,637,213.39 and 8,613,516.02

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Solution

The fourth proportional to 13,516,055.60, 18,637,213.39 and 8,613,516.02 is: 11,877,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516,055.60 : 18,637,213.39 = 8,613,516.02 : x
  2. Step 2: Convert to fraction form
    13,516,055.60/18,637,213.39 = 8,613,516.02/x
  3. Step 3: Cross multiply
    13,516,055.60x = 18,637,213.39 × 8,613,516.02
  4. Step 4: Simplify right side
    13,516,055.60x = 160,531,935,988,203.66
  5. Step 5: Solve for x
    x = 160,531,935,988,203.66/13,516,055.60
  6. Step 6: Final answer
    x = 11,877,129.01

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1.5x scale

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.