Home / 7,877,416.40-11,816,124.60-6,743,675.60

Finding the Fourth Proportional to 7,877,416.40, 11,816,124.60 and 6,743,675.60

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Solution

The fourth proportional to 7,877,416.40, 11,816,124.60 and 6,743,675.60 is: 10,115,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,416.40 : 11,816,124.60 = 6,743,675.60 : x
  2. Step 2: Convert to fraction form
    7,877,416.40/11,816,124.60 = 6,743,675.60/x
  3. Step 3: Cross multiply
    7,877,416.40x = 11,816,124.60 × 6,743,675.60
  4. Step 4: Simplify right side
    7,877,416.40x = 79,684,111,151,579.75
  5. Step 5: Solve for x
    x = 79,684,111,151,579.75/7,877,416.40
  6. Step 6: Final answer
    x = 10,115,513.40

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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.