Home / 6,739,811.80-10,109,717.70-6,697,821.40

Finding the Fourth Proportional to 6,739,811.80, 10,109,717.70 and 6,697,821.40

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Solution

The fourth proportional to 6,739,811.80, 10,109,717.70 and 6,697,821.40 is: 10,046,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,811.80 : 10,109,717.70 = 6,697,821.40 : x
  2. Step 2: Convert to fraction form
    6,739,811.80/10,109,717.70 = 6,697,821.40/x
  3. Step 3: Cross multiply
    6,739,811.80x = 10,109,717.70 × 6,697,821.40
  4. Step 4: Simplify right side
    6,739,811.80x = 67,713,083,559,018.78
  5. Step 5: Solve for x
    x = 67,713,083,559,018.78/6,739,811.80
  6. Step 6: Final answer
    x = 10,046,732.10

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Double scale
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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.