Home / 13,390,666.40-20,085,999.60-3,293,287.40

Finding the Fourth Proportional to 13,390,666.40, 20,085,999.60 and 3,293,287.40

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Solution

The fourth proportional to 13,390,666.40, 20,085,999.60 and 3,293,287.40 is: 4,939,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390,666.40 : 20,085,999.60 = 3,293,287.40 : x
  2. Step 2: Convert to fraction form
    13,390,666.40/20,085,999.60 = 3,293,287.40/x
  3. Step 3: Cross multiply
    13,390,666.40x = 20,085,999.60 × 3,293,287.40
  4. Step 4: Simplify right side
    13,390,666.40x = 66,148,969,399,085.05
  5. Step 5: Solve for x
    x = 66,148,969,399,085.05/13,390,666.40
  6. Step 6: Final answer
    x = 4,939,931.10

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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.