Home / 15,235,165.84-21,024,892.20-8,709,402.48

Finding the Fourth Proportional to 15,235,165.84, 21,024,892.20 and 8,709,402.48

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Solution

The fourth proportional to 15,235,165.84, 21,024,892.20 and 8,709,402.48 is: 12,019,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235,165.84 : 21,024,892.20 = 8,709,402.48 : x
  2. Step 2: Convert to fraction form
    15,235,165.84/21,024,892.20 = 8,709,402.48/x
  3. Step 3: Cross multiply
    15,235,165.84x = 21,024,892.20 × 8,709,402.48
  4. Step 4: Simplify right side
    15,235,165.84x = 183,114,248,268,412.66
  5. Step 5: Solve for x
    x = 183,114,248,268,412.66/15,235,165.84
  6. Step 6: Final answer
    x = 12,019,183.13

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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.