Home / 7,705,560.60-10,640,821.50-5,768,458.20

Finding the Fourth Proportional to 7,705,560.60, 10,640,821.50 and 5,768,458.20

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Solution

The fourth proportional to 7,705,560.60, 10,640,821.50 and 5,768,458.20 is: 7,965,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705,560.60 : 10,640,821.50 = 5,768,458.20 : x
  2. Step 2: Convert to fraction form
    7,705,560.60/10,640,821.50 = 5,768,458.20/x
  3. Step 3: Cross multiply
    7,705,560.60x = 10,640,821.50 × 5,768,458.20
  4. Step 4: Simplify right side
    7,705,560.60x = 61,381,134,036,411.30
  5. Step 5: Solve for x
    x = 61,381,134,036,411.30/7,705,560.60
  6. Step 6: Final answer
    x = 7,965,823.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.