Home / 15,097,642.40-20,836,467.60-8,986,090.40

Finding the Fourth Proportional to 15,097,642.40, 20,836,467.60 and 8,986,090.40

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Solution

The fourth proportional to 15,097,642.40, 20,836,467.60 and 8,986,090.40 is: 12,401,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097,642.40 : 20,836,467.60 = 8,986,090.40 : x
  2. Step 2: Convert to fraction form
    15,097,642.40/20,836,467.60 = 8,986,090.40/x
  3. Step 3: Cross multiply
    15,097,642.40x = 20,836,467.60 × 8,986,090.40
  4. Step 4: Simplify right side
    15,097,642.40x = 187,238,381,470,271.06
  5. Step 5: Solve for x
    x = 187,238,381,470,271.06/15,097,642.40
  6. Step 6: Final answer
    x = 12,401,829.14

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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.