Home / 40,424,240.10-60,638,984.55-21,292,364.10

Finding the Fourth Proportional to 40,424,240.10, 60,638,984.55 and 21,292,364.10

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Solution

The fourth proportional to 40,424,240.10, 60,638,984.55 and 21,292,364.10 is: 31,939,928.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,424,240.10 : 60,638,984.55 = 21,292,364.10 : x
  2. Step 2: Convert to fraction form
    40,424,240.10/60,638,984.55 = 21,292,364.10/x
  3. Step 3: Cross multiply
    40,424,240.10x = 60,638,984.55 × 21,292,364.10
  4. Step 4: Simplify right side
    40,424,240.10x = 1,291,147,337,692,874.75
  5. Step 5: Solve for x
    x = 1,291,147,337,692,874.75/40,424,240.10
  6. Step 6: Final answer
    x = 31,939,928.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.