Home / 7,776,009.40-11,664,014.10-4,785,878.20

Finding the Fourth Proportional to 7,776,009.40, 11,664,014.10 and 4,785,878.20

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Solution

The fourth proportional to 7,776,009.40, 11,664,014.10 and 4,785,878.20 is: 7,178,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,009.40 : 11,664,014.10 = 4,785,878.20 : x
  2. Step 2: Convert to fraction form
    7,776,009.40/11,664,014.10 = 4,785,878.20/x
  3. Step 3: Cross multiply
    7,776,009.40x = 11,664,014.10 × 4,785,878.20
  4. Step 4: Simplify right side
    7,776,009.40x = 55,822,550,805,682.62
  5. Step 5: Solve for x
    x = 55,822,550,805,682.62/7,776,009.40
  6. Step 6: Final answer
    x = 7,178,817.30

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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.