Home / 13,762,466.16-18,992,690.40-7,567,985.52

Finding the Fourth Proportional to 13,762,466.16, 18,992,690.40 and 7,567,985.52

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Solution

The fourth proportional to 13,762,466.16, 18,992,690.40 and 7,567,985.52 is: 10,444,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,466.16 : 18,992,690.40 = 7,567,985.52 : x
  2. Step 2: Convert to fraction form
    13,762,466.16/18,992,690.40 = 7,567,985.52/x
  3. Step 3: Cross multiply
    13,762,466.16x = 18,992,690.40 × 7,567,985.52
  4. Step 4: Simplify right side
    13,762,466.16x = 143,736,405,933,043
  5. Step 5: Solve for x
    x = 143,736,405,933,043/13,762,466.16
  6. Step 6: Final answer
    x = 10,444,087.87

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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.