Home / 13,020,227.60-17,967,193.80-7,218,670.16

Finding the Fourth Proportional to 13,020,227.60, 17,967,193.80 and 7,218,670.16

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Solution

The fourth proportional to 13,020,227.60, 17,967,193.80 and 7,218,670.16 is: 9,961,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020,227.60 : 17,967,193.80 = 7,218,670.16 : x
  2. Step 2: Convert to fraction form
    13,020,227.60/17,967,193.80 = 7,218,670.16/x
  3. Step 3: Cross multiply
    13,020,227.60x = 17,967,193.80 × 7,218,670.16
  4. Step 4: Simplify right side
    13,020,227.60x = 129,699,245,742,997.02
  5. Step 5: Solve for x
    x = 129,699,245,742,997.02/13,020,227.60
  6. Step 6: Final answer
    x = 9,961,365.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.