Home / 20,958,543.60-31,374,829.80-12,434,492.40

Finding the Fourth Proportional to 20,958,543.60, 31,374,829.80 and 12,434,492.40

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Solution

The fourth proportional to 20,958,543.60, 31,374,829.80 and 12,434,492.40 is: 18,614,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,958,543.60 : 31,374,829.80 = 12,434,492.40 : x
  2. Step 2: Convert to fraction form
    20,958,543.60/31,374,829.80 = 12,434,492.40/x
  3. Step 3: Cross multiply
    20,958,543.60x = 31,374,829.80 × 12,434,492.40
  4. Step 4: Simplify right side
    20,958,543.60x = 390,130,082,699,393.56
  5. Step 5: Solve for x
    x = 390,130,082,699,393.56/20,958,543.60
  6. Step 6: Final answer
    x = 18,614,369.88

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