Home / 13,559,346.91-18,708,987.56-8,054,577.70

Finding the Fourth Proportional to 13,559,346.91, 18,708,987.56 and 8,054,577.70

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Solution

The fourth proportional to 13,559,346.91, 18,708,987.56 and 8,054,577.70 is: 11,113,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559,346.91 : 18,708,987.56 = 8,054,577.70 : x
  2. Step 2: Convert to fraction form
    13,559,346.91/18,708,987.56 = 8,054,577.70/x
  3. Step 3: Cross multiply
    13,559,346.91x = 18,708,987.56 × 8,054,577.70
  4. Step 4: Simplify right side
    13,559,346.91x = 150,692,993,903,308.06
  5. Step 5: Solve for x
    x = 150,692,993,903,308.06/13,559,346.91
  6. Step 6: Final answer
    x = 11,113,587.91

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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.