Home / 9,788,976.40-14,683,464.60-8,340,307.60

Finding the Fourth Proportional to 9,788,976.40, 14,683,464.60 and 8,340,307.60

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Solution

The fourth proportional to 9,788,976.40, 14,683,464.60 and 8,340,307.60 is: 12,510,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788,976.40 : 14,683,464.60 = 8,340,307.60 : x
  2. Step 2: Convert to fraction form
    9,788,976.40/14,683,464.60 = 8,340,307.60/x
  3. Step 3: Cross multiply
    9,788,976.40x = 14,683,464.60 × 8,340,307.60
  4. Step 4: Simplify right side
    9,788,976.40x = 122,464,611,397,710.95
  5. Step 5: Solve for x
    x = 122,464,611,397,710.95/9,788,976.40
  6. Step 6: Final answer
    x = 12,510,461.40

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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.