Home / 13,806,765.34-20,713,137.54-5,287,102.18

Finding the Fourth Proportional to 13,806,765.34, 20,713,137.54 and 5,287,102.18

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Solution

The fourth proportional to 13,806,765.34, 20,713,137.54 and 5,287,102.18 is: 7,931,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806,765.34 : 20,713,137.54 = 5,287,102.18 : x
  2. Step 2: Convert to fraction form
    13,806,765.34/20,713,137.54 = 5,287,102.18/x
  3. Step 3: Cross multiply
    13,806,765.34x = 20,713,137.54 × 5,287,102.18
  4. Step 4: Simplify right side
    13,806,765.34x = 109,512,474,642,373.83
  5. Step 5: Solve for x
    x = 109,512,474,642,373.83/13,806,765.34
  6. Step 6: Final answer
    x = 7,931,798.07

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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.