Home / 30,873,488.72-42,608,031.08-17,126,881.52

Finding the Fourth Proportional to 30,873,488.72, 42,608,031.08 and 17,126,881.52

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Solution

The fourth proportional to 30,873,488.72, 42,608,031.08 and 17,126,881.52 is: 23,636,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873,488.72 : 42,608,031.08 = 17,126,881.52 : x
  2. Step 2: Convert to fraction form
    30,873,488.72/42,608,031.08 = 17,126,881.52/x
  3. Step 3: Cross multiply
    30,873,488.72x = 42,608,031.08 × 17,126,881.52
  4. Step 4: Simplify right side
    30,873,488.72x = 729,742,700,107,637.62
  5. Step 5: Solve for x
    x = 729,742,700,107,637.62/30,873,488.72
  6. Step 6: Final answer
    x = 23,636,548.07

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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.