Home / 6,544,396.89-9,031,640.09-3,931,700.19

Finding the Fourth Proportional to 6,544,396.89, 9,031,640.09 and 3,931,700.19

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Solution

The fourth proportional to 6,544,396.89, 9,031,640.09 and 3,931,700.19 is: 5,425,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,544,396.89 : 9,031,640.09 = 3,931,700.19 : x
  2. Step 2: Convert to fraction form
    6,544,396.89/9,031,640.09 = 3,931,700.19/x
  3. Step 3: Cross multiply
    6,544,396.89x = 9,031,640.09 × 3,931,700.19
  4. Step 4: Simplify right side
    6,544,396.89x = 35,509,701,038,206.12
  5. Step 5: Solve for x
    x = 35,509,701,038,206.12/6,544,396.89
  6. Step 6: Final answer
    x = 5,425,969.98

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Double scale
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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.