Home / 13,047,447.16-18,003,315.02-7,541,335.67

Finding the Fourth Proportional to 13,047,447.16, 18,003,315.02 and 7,541,335.67

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Solution

The fourth proportional to 13,047,447.16, 18,003,315.02 and 7,541,335.67 is: 10,405,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,447.16 : 18,003,315.02 = 7,541,335.67 : x
  2. Step 2: Convert to fraction form
    13,047,447.16/18,003,315.02 = 7,541,335.67/x
  3. Step 3: Cross multiply
    13,047,447.16x = 18,003,315.02 × 7,541,335.67
  4. Step 4: Simplify right side
    13,047,447.16x = 135,769,041,700,866.09
  5. Step 5: Solve for x
    x = 135,769,041,700,866.09/13,047,447.16
  6. Step 6: Final answer
    x = 10,405,793.57

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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.