Home / 13,519,575.95-18,657,014.72-7,407,873.23

Finding the Fourth Proportional to 13,519,575.95, 18,657,014.72 and 7,407,873.23

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Solution

The fourth proportional to 13,519,575.95, 18,657,014.72 and 7,407,873.23 is: 10,222,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519,575.95 : 18,657,014.72 = 7,407,873.23 : x
  2. Step 2: Convert to fraction form
    13,519,575.95/18,657,014.72 = 7,407,873.23/x
  3. Step 3: Cross multiply
    13,519,575.95x = 18,657,014.72 × 7,407,873.23
  4. Step 4: Simplify right side
    13,519,575.95x = 138,208,799,765,679.50
  5. Step 5: Solve for x
    x = 138,208,799,765,679.50/13,519,575.95
  6. Step 6: Final answer
    x = 10,222,865.00

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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.