Home / 12,969,494.47-19,453,931.47-4,215,762.03

Finding the Fourth Proportional to 12,969,494.47, 19,453,931.47 and 4,215,762.03

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Solution

The fourth proportional to 12,969,494.47, 19,453,931.47 and 4,215,762.03 is: 6,323,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,494.47 : 19,453,931.47 = 4,215,762.03 : x
  2. Step 2: Convert to fraction form
    12,969,494.47/19,453,931.47 = 4,215,762.03/x
  3. Step 3: Cross multiply
    12,969,494.47x = 19,453,931.47 × 4,215,762.03
  4. Step 4: Simplify right side
    12,969,494.47x = 82,013,145,604,369.28
  5. Step 5: Solve for x
    x = 82,013,145,604,369.28/12,969,494.47
  6. Step 6: Final answer
    x = 6,323,542.20

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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.