Home / 12,931,203.20-19,408,555.20-6,545,897.60

Finding the Fourth Proportional to 12,931,203.20, 19,408,555.20 and 6,545,897.60

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Solution

The fourth proportional to 12,931,203.20, 19,408,555.20 and 6,545,897.60 is: 9,824,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,203.20 : 19,408,555.20 = 6,545,897.60 : x
  2. Step 2: Convert to fraction form
    12,931,203.20/19,408,555.20 = 6,545,897.60/x
  3. Step 3: Cross multiply
    12,931,203.20x = 19,408,555.20 × 6,545,897.60
  4. Step 4: Simplify right side
    12,931,203.20x = 127,046,414,903,147.52
  5. Step 5: Solve for x
    x = 127,046,414,903,147.52/12,931,203.20
  6. Step 6: Final answer
    x = 9,824,794.56

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1.5x scale

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.