Home / 10,259,322.80-15,388,984.20-3,869,783.60

Finding the Fourth Proportional to 10,259,322.80, 15,388,984.20 and 3,869,783.60

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Solution

The fourth proportional to 10,259,322.80, 15,388,984.20 and 3,869,783.60 is: 5,804,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259,322.80 : 15,388,984.20 = 3,869,783.60 : x
  2. Step 2: Convert to fraction form
    10,259,322.80/15,388,984.20 = 3,869,783.60/x
  3. Step 3: Cross multiply
    10,259,322.80x = 15,388,984.20 × 3,869,783.60
  4. Step 4: Simplify right side
    10,259,322.80x = 59,552,038,677,819.12
  5. Step 5: Solve for x
    x = 59,552,038,677,819.12/10,259,322.80
  6. Step 6: Final answer
    x = 5,804,675.40

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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.