Home / 21,365,513.84-32,048,310.90-5,191,478.84

Finding the Fourth Proportional to 21,365,513.84, 32,048,310.90 and 5,191,478.84

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Solution

The fourth proportional to 21,365,513.84, 32,048,310.90 and 5,191,478.84 is: 7,787,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,365,513.84 : 32,048,310.90 = 5,191,478.84 : x
  2. Step 2: Convert to fraction form
    21,365,513.84/32,048,310.90 = 5,191,478.84/x
  3. Step 3: Cross multiply
    21,365,513.84x = 32,048,310.90 × 5,191,478.84
  4. Step 4: Simplify right side
    21,365,513.84x = 166,378,127,895,091.34
  5. Step 5: Solve for x
    x = 166,378,127,895,091.34/21,365,513.84
  6. Step 6: Final answer
    x = 7,787,228.01

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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.