Home / 8,884,739.72-12,258,831.93-5,400,017.66

Finding the Fourth Proportional to 8,884,739.72, 12,258,831.93 and 5,400,017.66

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Solution

The fourth proportional to 8,884,739.72, 12,258,831.93 and 5,400,017.66 is: 7,450,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884,739.72 : 12,258,831.93 = 5,400,017.66 : x
  2. Step 2: Convert to fraction form
    8,884,739.72/12,258,831.93 = 5,400,017.66/x
  3. Step 3: Cross multiply
    8,884,739.72x = 12,258,831.93 × 5,400,017.66
  4. Step 4: Simplify right side
    8,884,739.72x = 66,197,908,912,971.88
  5. Step 5: Solve for x
    x = 66,197,908,912,971.88/8,884,739.72
  6. Step 6: Final answer
    x = 7,450,742.62

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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.