Home / 13,431,201-18,533,187.90-7,550,003.80

Finding the Fourth Proportional to 13,431,201, 18,533,187.90 and 7,550,003.80

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Solution

The fourth proportional to 13,431,201, 18,533,187.90 and 7,550,003.80 is: 10,417,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,201 : 18,533,187.90 = 7,550,003.80 : x
  2. Step 2: Convert to fraction form
    13,431,201/18,533,187.90 = 7,550,003.80/x
  3. Step 3: Cross multiply
    13,431,201x = 18,533,187.90 × 7,550,003.80
  4. Step 4: Simplify right side
    13,431,201x = 139,925,639,071,114
  5. Step 5: Solve for x
    x = 139,925,639,071,114/13,431,201
  6. Step 6: Final answer
    x = 10,417,954.36

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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.