Home / 30,254,807.51-45,391,456.06-18,137,760.47

Finding the Fourth Proportional to 30,254,807.51, 45,391,456.06 and 18,137,760.47

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Solution

The fourth proportional to 30,254,807.51, 45,391,456.06 and 18,137,760.47 is: 27,212,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254,807.51 : 45,391,456.06 = 18,137,760.47 : x
  2. Step 2: Convert to fraction form
    30,254,807.51/45,391,456.06 = 18,137,760.47/x
  3. Step 3: Cross multiply
    30,254,807.51x = 45,391,456.06 × 18,137,760.47
  4. Step 4: Simplify right side
    30,254,807.51x = 823,299,357,400,809.88
  5. Step 5: Solve for x
    x = 823,299,357,400,809.88/30,254,807.51
  6. Step 6: Final answer
    x = 27,212,182.96

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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.