Home / 10,018,410.51-13,825,433.13-5,434,731.89

Finding the Fourth Proportional to 10,018,410.51, 13,825,433.13 and 5,434,731.89

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Solution

The fourth proportional to 10,018,410.51, 13,825,433.13 and 5,434,731.89 is: 7,499,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018,410.51 : 13,825,433.13 = 5,434,731.89 : x
  2. Step 2: Convert to fraction form
    10,018,410.51/13,825,433.13 = 5,434,731.89/x
  3. Step 3: Cross multiply
    10,018,410.51x = 13,825,433.13 × 5,434,731.89
  4. Step 4: Simplify right side
    10,018,410.51x = 75,137,522,287,011.48
  5. Step 5: Solve for x
    x = 75,137,522,287,011.48/10,018,410.51
  6. Step 6: Final answer
    x = 7,499,944.45

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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.