Home / 15,235,144.08-21,024,862.14-8,709,380.76

Finding the Fourth Proportional to 15,235,144.08, 21,024,862.14 and 8,709,380.76

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Solution

The fourth proportional to 15,235,144.08, 21,024,862.14 and 8,709,380.76 is: 12,019,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235,144.08 : 21,024,862.14 = 8,709,380.76 : x
  2. Step 2: Convert to fraction form
    15,235,144.08/21,024,862.14 = 8,709,380.76/x
  3. Step 3: Cross multiply
    15,235,144.08x = 21,024,862.14 × 8,709,380.76
  4. Step 4: Simplify right side
    15,235,144.08x = 183,113,529,803,768.44
  5. Step 5: Solve for x
    x = 183,113,529,803,768.44/15,235,144.08
  6. Step 6: Final answer
    x = 12,019,153.14

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1.5x scale

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.