Home / 14,020,080.40-21,030,120.60-7,952,467.60

Finding the Fourth Proportional to 14,020,080.40, 21,030,120.60 and 7,952,467.60

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Solution

The fourth proportional to 14,020,080.40, 21,030,120.60 and 7,952,467.60 is: 11,928,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,080.40 : 21,030,120.60 = 7,952,467.60 : x
  2. Step 2: Convert to fraction form
    14,020,080.40/21,030,120.60 = 7,952,467.60/x
  3. Step 3: Cross multiply
    14,020,080.40x = 21,030,120.60 × 7,952,467.60
  4. Step 4: Simplify right side
    14,020,080.40x = 167,241,352,695,592.56
  5. Step 5: Solve for x
    x = 167,241,352,695,592.56/14,020,080.40
  6. Step 6: Final answer
    x = 11,928,701.40

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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.