Home / 8,305,643.60-12,458,465.40-4,890,424.40

Finding the Fourth Proportional to 8,305,643.60, 12,458,465.40 and 4,890,424.40

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Solution

The fourth proportional to 8,305,643.60, 12,458,465.40 and 4,890,424.40 is: 7,335,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,643.60 : 12,458,465.40 = 4,890,424.40 : x
  2. Step 2: Convert to fraction form
    8,305,643.60/12,458,465.40 = 4,890,424.40/x
  3. Step 3: Cross multiply
    8,305,643.60x = 12,458,465.40 × 4,890,424.40
  4. Step 4: Simplify right side
    8,305,643.60x = 60,927,183,178,715.77
  5. Step 5: Solve for x
    x = 60,927,183,178,715.77/8,305,643.60
  6. Step 6: Final answer
    x = 7,335,636.60

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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.