Home / 21,412,065.12-32,118,143.40-15,050,782.32

Finding the Fourth Proportional to 21,412,065.12, 32,118,143.40 and 15,050,782.32

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Solution

The fourth proportional to 21,412,065.12, 32,118,143.40 and 15,050,782.32 is: 22,576,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,412,065.12 : 32,118,143.40 = 15,050,782.32 : x
  2. Step 2: Convert to fraction form
    21,412,065.12/32,118,143.40 = 15,050,782.32/x
  3. Step 3: Cross multiply
    21,412,065.12x = 32,118,143.40 × 15,050,782.32
  4. Step 4: Simplify right side
    21,412,065.12x = 483,403,184,835,944.69
  5. Step 5: Solve for x
    x = 483,403,184,835,944.69/21,412,065.12
  6. Step 6: Final answer
    x = 22,576,205.62

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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.