Home / 15,124,269,806.28-20,873,322,527.40-8,607,945,486.90

Finding the Fourth Proportional to 15,124,269,806.28, 20,873,322,527.40 and 8,607,945,486.90

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Solution

The fourth proportional to 15,124,269,806.28, 20,873,322,527.40 and 8,607,945,486.90 is: 11,880,006,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124,269,806.28 : 20,873,322,527.40 = 8,607,945,486.90 : x
  2. Step 2: Convert to fraction form
    15,124,269,806.28/20,873,322,527.40 = 8,607,945,486.90/x
  3. Step 3: Cross multiply
    15,124,269,806.28x = 20,873,322,527.40 × 8,607,945,486.90
  4. Step 4: Simplify right side
    15,124,269,806.28x = 179,676,422,446,340,931,584
  5. Step 5: Solve for x
    x = 179,676,422,446,340,931,584/15,124,269,806.28
  6. Step 6: Final answer
    x = 11,880,006,423.30

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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.