Home / 13,762,330.80-20,645,980.20-5,670,884.40

Finding the Fourth Proportional to 13,762,330.80, 20,645,980.20 and 5,670,884.40

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Solution

The fourth proportional to 13,762,330.80, 20,645,980.20 and 5,670,884.40 is: 8,507,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,330.80 : 20,645,980.20 = 5,670,884.40 : x
  2. Step 2: Convert to fraction form
    13,762,330.80/20,645,980.20 = 5,670,884.40/x
  3. Step 3: Cross multiply
    13,762,330.80x = 20,645,980.20 × 5,670,884.40
  4. Step 4: Simplify right side
    13,762,330.80x = 117,080,967,038,888.89
  5. Step 5: Solve for x
    x = 117,080,967,038,888.89/13,762,330.80
  6. Step 6: Final answer
    x = 8,507,350.15

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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.