Home / 7,870,486.34-10,861,608.42-4,385,829.89

Finding the Fourth Proportional to 7,870,486.34, 10,861,608.42 and 4,385,829.89

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Solution

The fourth proportional to 7,870,486.34, 10,861,608.42 and 4,385,829.89 is: 6,052,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,486.34 : 10,861,608.42 = 4,385,829.89 : x
  2. Step 2: Convert to fraction form
    7,870,486.34/10,861,608.42 = 4,385,829.89/x
  3. Step 3: Cross multiply
    7,870,486.34x = 10,861,608.42 × 4,385,829.89
  4. Step 4: Simplify right side
    7,870,486.34x = 47,637,166,807,603.63
  5. Step 5: Solve for x
    x = 47,637,166,807,603.63/7,870,486.34
  6. Step 6: Final answer
    x = 6,052,633.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.