Home / 43,568,931.24-65,360,489.76-12,866,615.64

Finding the Fourth Proportional to 43,568,931.24, 65,360,489.76 and 12,866,615.64

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Solution

The fourth proportional to 43,568,931.24, 65,360,489.76 and 12,866,615.64 is: 19,302,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568,931.24 : 65,360,489.76 = 12,866,615.64 : x
  2. Step 2: Convert to fraction form
    43,568,931.24/65,360,489.76 = 12,866,615.64/x
  3. Step 3: Cross multiply
    43,568,931.24x = 65,360,489.76 × 12,866,615.64
  4. Step 4: Simplify right side
    43,568,931.24x = 840,968,299,784,075.88
  5. Step 5: Solve for x
    x = 840,968,299,784,075.88/43,568,931.24
  6. Step 6: Final answer
    x = 19,302,018.11

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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.