Home / 5,390,342.40-8,085,513.60-5,284,054.20

Finding the Fourth Proportional to 5,390,342.40, 8,085,513.60 and 5,284,054.20

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Solution

The fourth proportional to 5,390,342.40, 8,085,513.60 and 5,284,054.20 is: 7,926,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,342.40 : 8,085,513.60 = 5,284,054.20 : x
  2. Step 2: Convert to fraction form
    5,390,342.40/8,085,513.60 = 5,284,054.20/x
  3. Step 3: Cross multiply
    5,390,342.40x = 8,085,513.60 × 5,284,054.20
  4. Step 4: Simplify right side
    5,390,342.40x = 42,724,292,097,237.12
  5. Step 5: Solve for x
    x = 42,724,292,097,237.12/5,390,342.40
  6. Step 6: Final answer
    x = 7,926,081.30

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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.