Home / 6,686,140.40-10,029,210.60-6,623,154.80

Finding the Fourth Proportional to 6,686,140.40, 10,029,210.60 and 6,623,154.80

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Solution

The fourth proportional to 6,686,140.40, 10,029,210.60 and 6,623,154.80 is: 9,934,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686,140.40 : 10,029,210.60 = 6,623,154.80 : x
  2. Step 2: Convert to fraction form
    6,686,140.40/10,029,210.60 = 6,623,154.80/x
  3. Step 3: Cross multiply
    6,686,140.40x = 10,029,210.60 × 6,623,154.80
  4. Step 4: Simplify right side
    6,686,140.40x = 66,425,014,325,600.88
  5. Step 5: Solve for x
    x = 66,425,014,325,600.88/6,686,140.40
  6. Step 6: Final answer
    x = 9,934,732.20

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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.