Home / 18,054,831.63-27,086,271.53-8,465,099.07

Finding the Fourth Proportional to 18,054,831.63, 27,086,271.53 and 8,465,099.07

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Solution

The fourth proportional to 18,054,831.63, 27,086,271.53 and 8,465,099.07 is: 12,699,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054,831.63 : 27,086,271.53 = 8,465,099.07 : x
  2. Step 2: Convert to fraction form
    18,054,831.63/27,086,271.53 = 8,465,099.07/x
  3. Step 3: Cross multiply
    18,054,831.63x = 27,086,271.53 × 8,465,099.07
  4. Step 4: Simplify right side
    18,054,831.63x = 229,287,971,896,044.97
  5. Step 5: Solve for x
    x = 229,287,971,896,044.97/18,054,831.63
  6. Step 6: Final answer
    x = 12,699,535.32

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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.