Home / 8,291,041.74-12,427,128.72-5,045,421.06

Finding the Fourth Proportional to 8,291,041.74, 12,427,128.72 and 5,045,421.06

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Solution

The fourth proportional to 8,291,041.74, 12,427,128.72 and 5,045,421.06 is: 7,562,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,041.74 : 12,427,128.72 = 5,045,421.06 : x
  2. Step 2: Convert to fraction form
    8,291,041.74/12,427,128.72 = 5,045,421.06/x
  3. Step 3: Cross multiply
    8,291,041.74x = 12,427,128.72 × 5,045,421.06
  4. Step 4: Simplify right side
    8,291,041.74x = 62,700,096,959,218.84
  5. Step 5: Solve for x
    x = 62,700,096,959,218.84/8,291,041.74
  6. Step 6: Final answer
    x = 7,562,390.70

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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.