Home / 12,949,145.60-19,423,718.40-6,214,092.80

Finding the Fourth Proportional to 12,949,145.60, 19,423,718.40 and 6,214,092.80

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Solution

The fourth proportional to 12,949,145.60, 19,423,718.40 and 6,214,092.80 is: 9,321,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,145.60 : 19,423,718.40 = 6,214,092.80 : x
  2. Step 2: Convert to fraction form
    12,949,145.60/19,423,718.40 = 6,214,092.80/x
  3. Step 3: Cross multiply
    12,949,145.60x = 19,423,718.40 × 6,214,092.80
  4. Step 4: Simplify right side
    12,949,145.60x = 120,700,788,658,667.50
  5. Step 5: Solve for x
    x = 120,700,788,658,667.50/12,949,145.60
  6. Step 6: Final answer
    x = 9,321,139.20

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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.