Home / 13,209,275.60-19,832,575.80-8,170,427.60

Finding the Fourth Proportional to 13,209,275.60, 19,832,575.80 and 8,170,427.60

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Solution

The fourth proportional to 13,209,275.60, 19,832,575.80 and 8,170,427.60 is: 12,267,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,275.60 : 19,832,575.80 = 8,170,427.60 : x
  2. Step 2: Convert to fraction form
    13,209,275.60/19,832,575.80 = 8,170,427.60/x
  3. Step 3: Cross multiply
    13,209,275.60x = 19,832,575.80 × 8,170,427.60
  4. Step 4: Simplify right side
    13,209,275.60x = 162,040,624,695,412.09
  5. Step 5: Solve for x
    x = 162,040,624,695,412.09/13,209,275.60
  6. Step 6: Final answer
    x = 12,267,184.79

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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.