Home / 15,009,928.95-20,670,741.75-14,074,622.56

Finding the Fourth Proportional to 15,009,928.95, 20,670,741.75 and 14,074,622.56

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Solution

The fourth proportional to 15,009,928.95, 20,670,741.75 and 14,074,622.56 is: 19,382,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,928.95 : 20,670,741.75 = 14,074,622.56 : x
  2. Step 2: Convert to fraction form
    15,009,928.95/20,670,741.75 = 14,074,622.56/x
  3. Step 3: Cross multiply
    15,009,928.95x = 20,670,741.75 × 14,074,622.56
  4. Step 4: Simplify right side
    15,009,928.95x = 290,932,888,166,483.88
  5. Step 5: Solve for x
    x = 290,932,888,166,483.88/15,009,928.95
  6. Step 6: Final answer
    x = 19,382,695.89

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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.