Home / 9,259,831.96-12,778,430.07-5,129,854.45

Finding the Fourth Proportional to 9,259,831.96, 12,778,430.07 and 5,129,854.45

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Solution

The fourth proportional to 9,259,831.96, 12,778,430.07 and 5,129,854.45 is: 7,079,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259,831.96 : 12,778,430.07 = 5,129,854.45 : x
  2. Step 2: Convert to fraction form
    9,259,831.96/12,778,430.07 = 5,129,854.45/x
  3. Step 3: Cross multiply
    9,259,831.96x = 12,778,430.07 × 5,129,854.45
  4. Step 4: Simplify right side
    9,259,831.96x = 65,551,486,358,603.31
  5. Step 5: Solve for x
    x = 65,551,486,358,603.31/9,259,831.96
  6. Step 6: Final answer
    x = 7,079,122.67

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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.