Home / 13,159,809.60-19,739,714.40-9,971,163.60

Finding the Fourth Proportional to 13,159,809.60, 19,739,714.40 and 9,971,163.60

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Solution

The fourth proportional to 13,159,809.60, 19,739,714.40 and 9,971,163.60 is: 14,956,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159,809.60 : 19,739,714.40 = 9,971,163.60 : x
  2. Step 2: Convert to fraction form
    13,159,809.60/19,739,714.40 = 9,971,163.60/x
  3. Step 3: Cross multiply
    13,159,809.60x = 19,739,714.40 × 9,971,163.60
  4. Step 4: Simplify right side
    13,159,809.60x = 196,827,921,699,675.81
  5. Step 5: Solve for x
    x = 196,827,921,699,675.81/13,159,809.60
  6. Step 6: Final answer
    x = 14,956,745.40

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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.