Home / 13,606,455.12-20,409,710.76-12,775,045.20

Finding the Fourth Proportional to 13,606,455.12, 20,409,710.76 and 12,775,045.20

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Solution

The fourth proportional to 13,606,455.12, 20,409,710.76 and 12,775,045.20 is: 19,162,594.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,455.12 : 20,409,710.76 = 12,775,045.20 : x
  2. Step 2: Convert to fraction form
    13,606,455.12/20,409,710.76 = 12,775,045.20/x
  3. Step 3: Cross multiply
    13,606,455.12x = 20,409,710.76 × 12,775,045.20
  4. Step 4: Simplify right side
    13,606,455.12x = 260,734,977,477,926.34
  5. Step 5: Solve for x
    x = 260,734,977,477,926.34/13,606,455.12
  6. Step 6: Final answer
    x = 19,162,594.16

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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.