Home / 20,219,875.10-30,329,812.65-8,882,467.10

Finding the Fourth Proportional to 20,219,875.10, 30,329,812.65 and 8,882,467.10

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Solution

The fourth proportional to 20,219,875.10, 30,329,812.65 and 8,882,467.10 is: 13,323,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,875.10 : 30,329,812.65 = 8,882,467.10 : x
  2. Step 2: Convert to fraction form
    20,219,875.10/30,329,812.65 = 8,882,467.10/x
  3. Step 3: Cross multiply
    20,219,875.10x = 30,329,812.65 × 8,882,467.10
  4. Step 4: Simplify right side
    20,219,875.10x = 269,403,563,012,788.78
  5. Step 5: Solve for x
    x = 269,403,563,012,788.78/20,219,875.10
  6. Step 6: Final answer
    x = 13,323,700.65

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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.