Home / 28,525,402.48-39,364,824.28-15,472,628.72

Finding the Fourth Proportional to 28,525,402.48, 39,364,824.28 and 15,472,628.72

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Solution

The fourth proportional to 28,525,402.48, 39,364,824.28 and 15,472,628.72 is: 21,352,102.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525,402.48 : 39,364,824.28 = 15,472,628.72 : x
  2. Step 2: Convert to fraction form
    28,525,402.48/39,364,824.28 = 15,472,628.72/x
  3. Step 3: Cross multiply
    28,525,402.48x = 39,364,824.28 × 15,472,628.72
  4. Step 4: Simplify right side
    28,525,402.48x = 609,077,310,712,481.38
  5. Step 5: Solve for x
    x = 609,077,310,712,481.38/28,525,402.48
  6. Step 6: Final answer
    x = 21,352,102.26

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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.