Home / 53,239,472.48-73,470,521.28-28,793,186.40

Finding the Fourth Proportional to 53,239,472.48, 73,470,521.28 and 28,793,186.40

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Solution

The fourth proportional to 53,239,472.48, 73,470,521.28 and 28,793,186.40 is: 39,734,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239,472.48 : 73,470,521.28 = 28,793,186.40 : x
  2. Step 2: Convert to fraction form
    53,239,472.48/73,470,521.28 = 28,793,186.40/x
  3. Step 3: Cross multiply
    53,239,472.48x = 73,470,521.28 × 28,793,186.40
  4. Step 4: Simplify right side
    53,239,472.48x = 2,115,450,414,120,206.50
  5. Step 5: Solve for x
    x = 2,115,450,414,120,206.50/53,239,472.48
  6. Step 6: Final answer
    x = 39,734,623.87

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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.