Home / 13,480,329.90-20,220,494.85-3,896,021.10

Finding the Fourth Proportional to 13,480,329.90, 20,220,494.85 and 3,896,021.10

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Solution

The fourth proportional to 13,480,329.90, 20,220,494.85 and 3,896,021.10 is: 5,844,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,329.90 : 20,220,494.85 = 3,896,021.10 : x
  2. Step 2: Convert to fraction form
    13,480,329.90/20,220,494.85 = 3,896,021.10/x
  3. Step 3: Cross multiply
    13,480,329.90x = 20,220,494.85 × 3,896,021.10
  4. Step 4: Simplify right side
    13,480,329.90x = 78,779,474,588,041.34
  5. Step 5: Solve for x
    x = 78,779,474,588,041.34/13,480,329.90
  6. Step 6: Final answer
    x = 5,844,031.65

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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.