Home / 13,864,219.47-19,130,955.84-7,985,765.70

Finding the Fourth Proportional to 13,864,219.47, 19,130,955.84 and 7,985,765.70

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Solution

The fourth proportional to 13,864,219.47, 19,130,955.84 and 7,985,765.70 is: 11,019,396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864,219.47 : 19,130,955.84 = 7,985,765.70 : x
  2. Step 2: Convert to fraction form
    13,864,219.47/19,130,955.84 = 7,985,765.70/x
  3. Step 3: Cross multiply
    13,864,219.47x = 19,130,955.84 × 7,985,765.70
  4. Step 4: Simplify right side
    13,864,219.47x = 152,775,330,955,286.69
  5. Step 5: Solve for x
    x = 152,775,330,955,286.69/13,864,219.47
  6. Step 6: Final answer
    x = 11,019,396.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.