Home / 30,619,359.82-45,921,784.10-8,759,065.08

Finding the Fourth Proportional to 30,619,359.82, 45,921,784.10 and 8,759,065.08

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Solution

The fourth proportional to 30,619,359.82, 45,921,784.10 and 8,759,065.08 is: 13,136,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619,359.82 : 45,921,784.10 = 8,759,065.08 : x
  2. Step 2: Convert to fraction form
    30,619,359.82/45,921,784.10 = 8,759,065.08/x
  3. Step 3: Cross multiply
    30,619,359.82x = 45,921,784.10 × 8,759,065.08
  4. Step 4: Simplify right side
    30,619,359.82x = 402,231,895,477,813.88
  5. Step 5: Solve for x
    x = 402,231,895,477,813.88/30,619,359.82
  6. Step 6: Final answer
    x = 13,136,522.05

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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.