Home / 12,396,031.60-18,594,047.40-10,411,985.20

Finding the Fourth Proportional to 12,396,031.60, 18,594,047.40 and 10,411,985.20

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Solution

The fourth proportional to 12,396,031.60, 18,594,047.40 and 10,411,985.20 is: 15,617,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396,031.60 : 18,594,047.40 = 10,411,985.20 : x
  2. Step 2: Convert to fraction form
    12,396,031.60/18,594,047.40 = 10,411,985.20/x
  3. Step 3: Cross multiply
    12,396,031.60x = 18,594,047.40 × 10,411,985.20
  4. Step 4: Simplify right side
    12,396,031.60x = 193,600,946,336,898.44
  5. Step 5: Solve for x
    x = 193,600,946,336,898.44/12,396,031.60
  6. Step 6: Final answer
    x = 15,617,977.80

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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.