Home / 7,831,220.40-11,746,830.60-5,705,456.40

Finding the Fourth Proportional to 7,831,220.40, 11,746,830.60 and 5,705,456.40

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Solution

The fourth proportional to 7,831,220.40, 11,746,830.60 and 5,705,456.40 is: 8,558,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,220.40 : 11,746,830.60 = 5,705,456.40 : x
  2. Step 2: Convert to fraction form
    7,831,220.40/11,746,830.60 = 5,705,456.40/x
  3. Step 3: Cross multiply
    7,831,220.40x = 11,746,830.60 × 5,705,456.40
  4. Step 4: Simplify right side
    7,831,220.40x = 67,021,029,826,485.84
  5. Step 5: Solve for x
    x = 67,021,029,826,485.84/7,831,220.40
  6. Step 6: Final answer
    x = 8,558,184.60

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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.