Home / 7,884,630.80-11,826,946.20-7,086,813.20

Finding the Fourth Proportional to 7,884,630.80, 11,826,946.20 and 7,086,813.20

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Solution

The fourth proportional to 7,884,630.80, 11,826,946.20 and 7,086,813.20 is: 10,630,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,630.80 : 11,826,946.20 = 7,086,813.20 : x
  2. Step 2: Convert to fraction form
    7,884,630.80/11,826,946.20 = 7,086,813.20/x
  3. Step 3: Cross multiply
    7,884,630.80x = 11,826,946.20 × 7,086,813.20
  4. Step 4: Simplify right side
    7,884,630.80x = 83,815,358,445,849.84
  5. Step 5: Solve for x
    x = 83,815,358,445,849.84/7,884,630.80
  6. Step 6: Final answer
    x = 10,630,219.80

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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.