Home / 13,412,733.81-18,510,019.19-7,533,402.46

Finding the Fourth Proportional to 13,412,733.81, 18,510,019.19 and 7,533,402.46

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Solution

The fourth proportional to 13,412,733.81, 18,510,019.19 and 7,533,402.46 is: 10,396,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,733.81 : 18,510,019.19 = 7,533,402.46 : x
  2. Step 2: Convert to fraction form
    13,412,733.81/18,510,019.19 = 7,533,402.46/x
  3. Step 3: Cross multiply
    13,412,733.81x = 18,510,019.19 × 7,533,402.46
  4. Step 4: Simplify right side
    13,412,733.81x = 139,443,424,073,151.66
  5. Step 5: Solve for x
    x = 139,443,424,073,151.66/13,412,733.81
  6. Step 6: Final answer
    x = 10,396,346.19

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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.