Home / 11,342,973.20-16,998,907.80-7,287,011.60

Finding the Fourth Proportional to 11,342,973.20, 16,998,907.80 and 7,287,011.60

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Solution

The fourth proportional to 11,342,973.20, 16,998,907.80 and 7,287,011.60 is: 10,920,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342,973.20 : 16,998,907.80 = 7,287,011.60 : x
  2. Step 2: Convert to fraction form
    11,342,973.20/16,998,907.80 = 7,287,011.60/x
  3. Step 3: Cross multiply
    11,342,973.20x = 16,998,907.80 × 7,287,011.60
  4. Step 4: Simplify right side
    11,342,973.20x = 123,871,238,325,930.48
  5. Step 5: Solve for x
    x = 123,871,238,325,930.48/11,342,973.20
  6. Step 6: Final answer
    x = 10,920,526.40

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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.