Home / 10,218,125.28-14,100,690.96-5,634,639.84

Finding the Fourth Proportional to 10,218,125.28, 14,100,690.96 and 5,634,639.84

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Solution

The fourth proportional to 10,218,125.28, 14,100,690.96 and 5,634,639.84 is: 7,775,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218,125.28 : 14,100,690.96 = 5,634,639.84 : x
  2. Step 2: Convert to fraction form
    10,218,125.28/14,100,690.96 = 5,634,639.84/x
  3. Step 3: Cross multiply
    10,218,125.28x = 14,100,690.96 × 5,634,639.84
  4. Step 4: Simplify right side
    10,218,125.28x = 79,452,315,054,743.84
  5. Step 5: Solve for x
    x = 79,452,315,054,743.84/10,218,125.28
  6. Step 6: Final answer
    x = 7,775,625.46

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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.