Home / 13,985,642.44-19,301,374.74-7,875,261.64

Finding the Fourth Proportional to 13,985,642.44, 19,301,374.74 and 7,875,261.64

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Solution

The fourth proportional to 13,985,642.44, 19,301,374.74 and 7,875,261.64 is: 10,868,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985,642.44 : 19,301,374.74 = 7,875,261.64 : x
  2. Step 2: Convert to fraction form
    13,985,642.44/19,301,374.74 = 7,875,261.64/x
  3. Step 3: Cross multiply
    13,985,642.44x = 19,301,374.74 × 7,875,261.64
  4. Step 4: Simplify right side
    13,985,642.44x = 152,003,376,089,186.97
  5. Step 5: Solve for x
    x = 152,003,376,089,186.97/13,985,642.44
  6. Step 6: Final answer
    x = 10,868,530.12

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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.