Home / 13,571,421.21-20,357,118.86-3,474,026.01

Finding the Fourth Proportional to 13,571,421.21, 20,357,118.86 and 3,474,026.01

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Solution

The fourth proportional to 13,571,421.21, 20,357,118.86 and 3,474,026.01 is: 5,211,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571,421.21 : 20,357,118.86 = 3,474,026.01 : x
  2. Step 2: Convert to fraction form
    13,571,421.21/20,357,118.86 = 3,474,026.01/x
  3. Step 3: Cross multiply
    13,571,421.21x = 20,357,118.86 × 3,474,026.01
  4. Step 4: Simplify right side
    13,571,421.21x = 70,721,160,390,931.42
  5. Step 5: Solve for x
    x = 70,721,160,390,931.42/13,571,421.21
  6. Step 6: Final answer
    x = 5,211,035.70

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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.