Home / 7,392,043.80-11,089,620.90-3,130,018.20

Finding the Fourth Proportional to 7,392,043.80, 11,089,620.90 and 3,130,018.20

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Solution

The fourth proportional to 7,392,043.80, 11,089,620.90 and 3,130,018.20 is: 4,695,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392,043.80 : 11,089,620.90 = 3,130,018.20 : x
  2. Step 2: Convert to fraction form
    7,392,043.80/11,089,620.90 = 3,130,018.20/x
  3. Step 3: Cross multiply
    7,392,043.80x = 11,089,620.90 × 3,130,018.20
  4. Step 4: Simplify right side
    7,392,043.80x = 34,710,715,248,100.38
  5. Step 5: Solve for x
    x = 34,710,715,248,100.38/7,392,043.80
  6. Step 6: Final answer
    x = 4,695,685.82

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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.