Home / 15,401,343.96-21,255,035.04-8,786,078.01

Finding the Fourth Proportional to 15,401,343.96, 21,255,035.04 and 8,786,078.01

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Solution

The fourth proportional to 15,401,343.96, 21,255,035.04 and 8,786,078.01 is: 12,125,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,343.96 : 21,255,035.04 = 8,786,078.01 : x
  2. Step 2: Convert to fraction form
    15,401,343.96/21,255,035.04 = 8,786,078.01/x
  3. Step 3: Cross multiply
    15,401,343.96x = 21,255,035.04 × 8,786,078.01
  4. Step 4: Simplify right side
    15,401,343.96x = 186,748,395,966,723.47
  5. Step 5: Solve for x
    x = 186,748,395,966,723.47/15,401,343.96
  6. Step 6: Final answer
    x = 12,125,461.03

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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.