Home / 13,989,335.16-20,986,831.62-5,902,330.92

Finding the Fourth Proportional to 13,989,335.16, 20,986,831.62 and 5,902,330.92

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Solution

The fourth proportional to 13,989,335.16, 20,986,831.62 and 5,902,330.92 is: 8,854,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,335.16 : 20,986,831.62 = 5,902,330.92 : x
  2. Step 2: Convert to fraction form
    13,989,335.16/20,986,831.62 = 5,902,330.92/x
  3. Step 3: Cross multiply
    13,989,335.16x = 20,986,831.62 × 5,902,330.92
  4. Step 4: Simplify right side
    13,989,335.16x = 123,871,225,183,559.69
  5. Step 5: Solve for x
    x = 123,871,225,183,559.69/13,989,335.16
  6. Step 6: Final answer
    x = 8,854,689.93

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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.