Home / 8,680,975.55-11,977,019.43-5,009,409.89

Finding the Fourth Proportional to 8,680,975.55, 11,977,019.43 and 5,009,409.89

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Solution

The fourth proportional to 8,680,975.55, 11,977,019.43 and 5,009,409.89 is: 6,911,412.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,975.55 : 11,977,019.43 = 5,009,409.89 : x
  2. Step 2: Convert to fraction form
    8,680,975.55/11,977,019.43 = 5,009,409.89/x
  3. Step 3: Cross multiply
    8,680,975.55x = 11,977,019.43 × 5,009,409.89
  4. Step 4: Simplify right side
    8,680,975.55x = 59,997,799,525,479.06
  5. Step 5: Solve for x
    x = 59,997,799,525,479.06/8,680,975.55
  6. Step 6: Final answer
    x = 6,911,412.11

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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.