Home / 20,401,586.40-30,588,175.20-9,035,873.76

Finding the Fourth Proportional to 20,401,586.40, 30,588,175.20 and 9,035,873.76

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Solution

The fourth proportional to 20,401,586.40, 30,588,175.20 and 9,035,873.76 is: 13,547,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,586.40 : 30,588,175.20 = 9,035,873.76 : x
  2. Step 2: Convert to fraction form
    20,401,586.40/30,588,175.20 = 9,035,873.76/x
  3. Step 3: Cross multiply
    20,401,586.40x = 30,588,175.20 × 9,035,873.76
  4. Step 4: Simplify right side
    20,401,586.40x = 276,390,889,655,962.75
  5. Step 5: Solve for x
    x = 276,390,889,655,962.75/20,401,586.40
  6. Step 6: Final answer
    x = 13,547,519.50

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1.5x scale

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.