Home / 14,200,471.20-21,314,703.60-7,020,112.80

Finding the Fourth Proportional to 14,200,471.20, 21,314,703.60 and 7,020,112.80

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Solution

The fourth proportional to 14,200,471.20, 21,314,703.60 and 7,020,112.80 is: 10,537,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,471.20 : 21,314,703.60 = 7,020,112.80 : x
  2. Step 2: Convert to fraction form
    14,200,471.20/21,314,703.60 = 7,020,112.80/x
  3. Step 3: Cross multiply
    14,200,471.20x = 21,314,703.60 × 7,020,112.80
  4. Step 4: Simplify right side
    14,200,471.20x = 149,631,623,570,566.09
  5. Step 5: Solve for x
    x = 149,631,623,570,566.09/14,200,471.20
  6. Step 6: Final answer
    x = 10,537,088.63

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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.