Home / 7,020,485.66-10,531,122.42-1,971,402.50

Finding the Fourth Proportional to 7,020,485.66, 10,531,122.42 and 1,971,402.50

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Solution

The fourth proportional to 7,020,485.66, 10,531,122.42 and 1,971,402.50 is: 2,957,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,485.66 : 10,531,122.42 = 1,971,402.50 : x
  2. Step 2: Convert to fraction form
    7,020,485.66/10,531,122.42 = 1,971,402.50/x
  3. Step 3: Cross multiply
    7,020,485.66x = 10,531,122.42 × 1,971,402.50
  4. Step 4: Simplify right side
    7,020,485.66x = 20,761,081,066,594.05
  5. Step 5: Solve for x
    x = 20,761,081,066,594.05/7,020,485.66
  6. Step 6: Final answer
    x = 2,957,214.37

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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.