Home / 12,457,398.62-18,674,681.78-4,365,963.56

Finding the Fourth Proportional to 12,457,398.62, 18,674,681.78 and 4,365,963.56

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Solution

The fourth proportional to 12,457,398.62, 18,674,681.78 and 4,365,963.56 is: 6,544,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,398.62 : 18,674,681.78 = 4,365,963.56 : x
  2. Step 2: Convert to fraction form
    12,457,398.62/18,674,681.78 = 4,365,963.56/x
  3. Step 3: Cross multiply
    12,457,398.62x = 18,674,681.78 × 4,365,963.56
  4. Step 4: Simplify right side
    12,457,398.62x = 81,532,980,146,075.94
  5. Step 5: Solve for x
    x = 81,532,980,146,075.94/12,457,398.62
  6. Step 6: Final answer
    x = 6,544,944.30

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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.