Home / 14,503,831.16-20,015,297.22-7,977,957.08

Finding the Fourth Proportional to 14,503,831.16, 20,015,297.22 and 7,977,957.08

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Solution

The fourth proportional to 14,503,831.16, 20,015,297.22 and 7,977,957.08 is: 11,009,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503,831.16 : 20,015,297.22 = 7,977,957.08 : x
  2. Step 2: Convert to fraction form
    14,503,831.16/20,015,297.22 = 7,977,957.08/x
  3. Step 3: Cross multiply
    14,503,831.16x = 20,015,297.22 × 7,977,957.08
  4. Step 4: Simplify right side
    14,503,831.16x = 159,681,182,244,558.88
  5. Step 5: Solve for x
    x = 159,681,182,244,558.88/14,503,831.16
  6. Step 6: Final answer
    x = 11,009,586.40

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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.