Home / 7,339,308.76-10,128,371.30-4,031,742.45

Finding the Fourth Proportional to 7,339,308.76, 10,128,371.30 and 4,031,742.45

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Solution

The fourth proportional to 7,339,308.76, 10,128,371.30 and 4,031,742.45 is: 5,563,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,308.76 : 10,128,371.30 = 4,031,742.45 : x
  2. Step 2: Convert to fraction form
    7,339,308.76/10,128,371.30 = 4,031,742.45/x
  3. Step 3: Cross multiply
    7,339,308.76x = 10,128,371.30 × 4,031,742.45
  4. Step 4: Simplify right side
    7,339,308.76x = 40,834,984,519,571.69
  5. Step 5: Solve for x
    x = 40,834,984,519,571.69/7,339,308.76
  6. Step 6: Final answer
    x = 5,563,873.36

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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.