Home / 25,973,869.80-38,935,107.45-12,302,987.48

Finding the Fourth Proportional to 25,973,869.80, 38,935,107.45 and 12,302,987.48

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Solution

The fourth proportional to 25,973,869.80, 38,935,107.45 and 12,302,987.48 is: 18,442,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,973,869.80 : 38,935,107.45 = 12,302,987.48 : x
  2. Step 2: Convert to fraction form
    25,973,869.80/38,935,107.45 = 12,302,987.48/x
  3. Step 3: Cross multiply
    25,973,869.80x = 38,935,107.45 × 12,302,987.48
  4. Step 4: Simplify right side
    25,973,869.80x = 479,018,139,295,129.19
  5. Step 5: Solve for x
    x = 479,018,139,295,129.19/25,973,869.80
  6. Step 6: Final answer
    x = 18,442,309.25

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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.