Home / 13,943,055.12-19,241,994.54-7,748,078.70

Finding the Fourth Proportional to 13,943,055.12, 19,241,994.54 and 7,748,078.70

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Solution

The fourth proportional to 13,943,055.12, 19,241,994.54 and 7,748,078.70 is: 10,692,670.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,055.12 : 19,241,994.54 = 7,748,078.70 : x
  2. Step 2: Convert to fraction form
    13,943,055.12/19,241,994.54 = 7,748,078.70/x
  3. Step 3: Cross multiply
    13,943,055.12x = 19,241,994.54 × 7,748,078.70
  4. Step 4: Simplify right side
    13,943,055.12x = 149,088,488,040,890.28
  5. Step 5: Solve for x
    x = 149,088,488,040,890.28/13,943,055.12
  6. Step 6: Final answer
    x = 10,692,670.06

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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.