Home / 30,926,864.72-42,644,098.44-19,748,659.38

Finding the Fourth Proportional to 30,926,864.72, 42,644,098.44 and 19,748,659.38

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Solution

The fourth proportional to 30,926,864.72, 42,644,098.44 and 19,748,659.38 is: 27,230,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926,864.72 : 42,644,098.44 = 19,748,659.38 : x
  2. Step 2: Convert to fraction form
    30,926,864.72/42,644,098.44 = 19,748,659.38/x
  3. Step 3: Cross multiply
    30,926,864.72x = 42,644,098.44 × 19,748,659.38
  4. Step 4: Simplify right side
    30,926,864.72x = 842,163,774,658,749.25
  5. Step 5: Solve for x
    x = 842,163,774,658,749.25/30,926,864.72
  6. Step 6: Final answer
    x = 27,230,816.39

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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.