Home / 28,525,401.48-39,364,822.90-15,472,627.72

Finding the Fourth Proportional to 28,525,401.48, 39,364,822.90 and 15,472,627.72

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Solution

The fourth proportional to 28,525,401.48, 39,364,822.90 and 15,472,627.72 is: 21,352,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525,401.48 : 39,364,822.90 = 15,472,627.72 : x
  2. Step 2: Convert to fraction form
    28,525,401.48/39,364,822.90 = 15,472,627.72/x
  3. Step 3: Cross multiply
    28,525,401.48x = 39,364,822.90 × 15,472,627.72
  4. Step 4: Simplify right side
    28,525,401.48x = 609,077,249,995,430.75
  5. Step 5: Solve for x
    x = 609,077,249,995,430.75/28,525,401.48
  6. Step 6: Final answer
    x = 21,352,100.88

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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.