Home / 8,290,256.40-12,435,384.60-2,897,114.40

Finding the Fourth Proportional to 8,290,256.40, 12,435,384.60 and 2,897,114.40

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Solution

The fourth proportional to 8,290,256.40, 12,435,384.60 and 2,897,114.40 is: 4,345,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290,256.40 : 12,435,384.60 = 2,897,114.40 : x
  2. Step 2: Convert to fraction form
    8,290,256.40/12,435,384.60 = 2,897,114.40/x
  3. Step 3: Cross multiply
    8,290,256.40x = 12,435,384.60 × 2,897,114.40
  4. Step 4: Simplify right side
    8,290,256.40x = 36,026,731,794,198.23
  5. Step 5: Solve for x
    x = 36,026,731,794,198.23/8,290,256.40
  6. Step 6: Final answer
    x = 4,345,671.60

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Double scale
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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.