Home / 30,334,676.40-45,502,014.60-13,328,564.40

Finding the Fourth Proportional to 30,334,676.40, 45,502,014.60 and 13,328,564.40

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Solution

The fourth proportional to 30,334,676.40, 45,502,014.60 and 13,328,564.40 is: 19,992,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334,676.40 : 45,502,014.60 = 13,328,564.40 : x
  2. Step 2: Convert to fraction form
    30,334,676.40/45,502,014.60 = 13,328,564.40/x
  3. Step 3: Cross multiply
    30,334,676.40x = 45,502,014.60 × 13,328,564.40
  4. Step 4: Simplify right side
    30,334,676.40x = 606,476,531,925,840.25
  5. Step 5: Solve for x
    x = 606,476,531,925,840.25/30,334,676.40
  6. Step 6: Final answer
    x = 19,992,846.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.