Home / 13,047,445.16-18,003,312.26-7,541,333.67

Finding the Fourth Proportional to 13,047,445.16, 18,003,312.26 and 7,541,333.67

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Solution

The fourth proportional to 13,047,445.16, 18,003,312.26 and 7,541,333.67 is: 10,405,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,445.16 : 18,003,312.26 = 7,541,333.67 : x
  2. Step 2: Convert to fraction form
    13,047,445.16/18,003,312.26 = 7,541,333.67/x
  3. Step 3: Cross multiply
    13,047,445.16x = 18,003,312.26 × 7,541,333.67
  4. Step 4: Simplify right side
    13,047,445.16x = 135,768,984,880,155.11
  5. Step 5: Solve for x
    x = 135,768,984,880,155.11/13,047,445.16
  6. Step 6: Final answer
    x = 10,405,790.81

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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.