Home / 28,985,435.53-39,999,665.25-15,932,555.67

Finding the Fourth Proportional to 28,985,435.53, 39,999,665.25 and 15,932,555.67

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Solution

The fourth proportional to 28,985,435.53, 39,999,665.25 and 15,932,555.67 is: 21,986,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985,435.53 : 39,999,665.25 = 15,932,555.67 : x
  2. Step 2: Convert to fraction form
    28,985,435.53/39,999,665.25 = 15,932,555.67/x
  3. Step 3: Cross multiply
    28,985,435.53x = 39,999,665.25 × 15,932,555.67
  4. Step 4: Simplify right side
    28,985,435.53x = 637,296,893,346,792.38
  5. Step 5: Solve for x
    x = 637,296,893,346,792.38/28,985,435.53
  6. Step 6: Final answer
    x = 21,986,797.22

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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.