Home / 18,518,373.60-27,777,560.40-5,055,201.60

Finding the Fourth Proportional to 18,518,373.60, 27,777,560.40 and 5,055,201.60

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Solution

The fourth proportional to 18,518,373.60, 27,777,560.40 and 5,055,201.60 is: 7,582,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518,373.60 : 27,777,560.40 = 5,055,201.60 : x
  2. Step 2: Convert to fraction form
    18,518,373.60/27,777,560.40 = 5,055,201.60/x
  3. Step 3: Cross multiply
    18,518,373.60x = 27,777,560.40 × 5,055,201.60
  4. Step 4: Simplify right side
    18,518,373.60x = 140,421,167,778,176.62
  5. Step 5: Solve for x
    x = 140,421,167,778,176.62/18,518,373.60
  6. Step 6: Final answer
    x = 7,582,802.40

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1.5x scale

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.