Home / 13,905,623.40-20,882,054.70-10,315,444.20

Finding the Fourth Proportional to 13,905,623.40, 20,882,054.70 and 10,315,444.20

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Solution

The fourth proportional to 13,905,623.40, 20,882,054.70 and 10,315,444.20 is: 15,490,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905,623.40 : 20,882,054.70 = 10,315,444.20 : x
  2. Step 2: Convert to fraction form
    13,905,623.40/20,882,054.70 = 10,315,444.20/x
  3. Step 3: Cross multiply
    13,905,623.40x = 20,882,054.70 × 10,315,444.20
  4. Step 4: Simplify right side
    13,905,623.40x = 215,407,670,039,197.72
  5. Step 5: Solve for x
    x = 215,407,670,039,197.72/13,905,623.40
  6. Step 6: Final answer
    x = 15,490,687.75

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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.