Home / 20,400,839.72-30,605,298.09-5,827,885.00

Finding the Fourth Proportional to 20,400,839.72, 30,605,298.09 and 5,827,885.00

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Solution

The fourth proportional to 20,400,839.72, 30,605,298.09 and 5,827,885.00 is: 8,742,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,400,839.72 : 30,605,298.09 = 5,827,885.00 : x
  2. Step 2: Convert to fraction form
    20,400,839.72/30,605,298.09 = 5,827,885.00/x
  3. Step 3: Cross multiply
    20,400,839.72x = 30,605,298.09 × 5,827,885.00
  4. Step 4: Simplify right side
    20,400,839.72x = 178,364,157,560,871.81
  5. Step 5: Solve for x
    x = 178,364,157,560,871.81/20,400,839.72
  6. Step 6: Final answer
    x = 8,742,981.17

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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.