Home / 10,692,029.60-16,038,044.40-8,172,605.60

Finding the Fourth Proportional to 10,692,029.60, 16,038,044.40 and 8,172,605.60

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Solution

The fourth proportional to 10,692,029.60, 16,038,044.40 and 8,172,605.60 is: 12,258,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,029.60 : 16,038,044.40 = 8,172,605.60 : x
  2. Step 2: Convert to fraction form
    10,692,029.60/16,038,044.40 = 8,172,605.60/x
  3. Step 3: Cross multiply
    10,692,029.60x = 16,038,044.40 × 8,172,605.60
  4. Step 4: Simplify right side
    10,692,029.60x = 131,072,611,476,488.64
  5. Step 5: Solve for x
    x = 131,072,611,476,488.64/10,692,029.60
  6. Step 6: Final answer
    x = 12,258,908.40

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Similar ratio
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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.