Home / 52,870,312.80-79,287,509.01-18,318,650.67

Finding the Fourth Proportional to 52,870,312.80, 79,287,509.01 and 18,318,650.67

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Solution

The fourth proportional to 52,870,312.80, 79,287,509.01 and 18,318,650.67 is: 27,471,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,870,312.80 : 79,287,509.01 = 18,318,650.67 : x
  2. Step 2: Convert to fraction form
    52,870,312.80/79,287,509.01 = 18,318,650.67/x
  3. Step 3: Cross multiply
    52,870,312.80x = 79,287,509.01 × 18,318,650.67
  4. Step 4: Simplify right side
    52,870,312.80x = 1,452,440,180,048,667.75
  5. Step 5: Solve for x
    x = 1,452,440,180,048,667.75/52,870,312.80
  6. Step 6: Final answer
    x = 27,471,753.11

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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.