Home / 18,390,656.60-27,588,275.04-6,259,187.80

Finding the Fourth Proportional to 18,390,656.60, 27,588,275.04 and 6,259,187.80

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Solution

The fourth proportional to 18,390,656.60, 27,588,275.04 and 6,259,187.80 is: 9,389,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390,656.60 : 27,588,275.04 = 6,259,187.80 : x
  2. Step 2: Convert to fraction form
    18,390,656.60/27,588,275.04 = 6,259,187.80/x
  3. Step 3: Cross multiply
    18,390,656.60x = 27,588,275.04 × 6,259,187.80
  4. Step 4: Simplify right side
    18,390,656.60x = 172,680,194,553,412.50
  5. Step 5: Solve for x
    x = 172,680,194,553,412.50/18,390,656.60
  6. Step 6: Final answer
    x = 9,389,561.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.