Home / 30,406,538.12-45,626,411.15-12,896,371.60

Finding the Fourth Proportional to 30,406,538.12, 45,626,411.15 and 12,896,371.60

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Solution

The fourth proportional to 30,406,538.12, 45,626,411.15 and 12,896,371.60 is: 19,351,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406,538.12 : 45,626,411.15 = 12,896,371.60 : x
  2. Step 2: Convert to fraction form
    30,406,538.12/45,626,411.15 = 12,896,371.60/x
  3. Step 3: Cross multiply
    30,406,538.12x = 45,626,411.15 × 12,896,371.60
  4. Step 4: Simplify right side
    30,406,538.12x = 588,415,152,882,958.25
  5. Step 5: Solve for x
    x = 588,415,152,882,958.25/30,406,538.12
  6. Step 6: Final answer
    x = 19,351,599.67

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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.