Home / 20,584,903.40-30,877,355.10-9,247,495.40

Finding the Fourth Proportional to 20,584,903.40, 30,877,355.10 and 9,247,495.40

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Solution

The fourth proportional to 20,584,903.40, 30,877,355.10 and 9,247,495.40 is: 13,871,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584,903.40 : 30,877,355.10 = 9,247,495.40 : x
  2. Step 2: Convert to fraction form
    20,584,903.40/30,877,355.10 = 9,247,495.40/x
  3. Step 3: Cross multiply
    20,584,903.40x = 30,877,355.10 × 9,247,495.40
  4. Step 4: Simplify right side
    20,584,903.40x = 285,538,199,251,416.56
  5. Step 5: Solve for x
    x = 285,538,199,251,416.56/20,584,903.40
  6. Step 6: Final answer
    x = 13,871,243.10

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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.