Home / 53,239,371.12-73,470,381.21-28,793,085.12

Finding the Fourth Proportional to 53,239,371.12, 73,470,381.21 and 28,793,085.12

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Solution

The fourth proportional to 53,239,371.12, 73,470,381.21 and 28,793,085.12 is: 39,734,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239,371.12 : 73,470,381.21 = 28,793,085.12 : x
  2. Step 2: Convert to fraction form
    53,239,371.12/73,470,381.21 = 28,793,085.12/x
  3. Step 3: Cross multiply
    53,239,371.12x = 73,470,381.21 × 28,793,085.12
  4. Step 4: Simplify right side
    53,239,371.12x = 2,115,438,939,978,378.50
  5. Step 5: Solve for x
    x = 2,115,438,939,978,378.50/53,239,371.12
  6. Step 6: Final answer
    x = 39,734,484.00

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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.