Home / 13,535,680.23-18,679,111.54-7,340,863.68

Finding the Fourth Proportional to 13,535,680.23, 18,679,111.54 and 7,340,863.68

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Solution

The fourth proportional to 13,535,680.23, 18,679,111.54 and 7,340,863.68 is: 10,130,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535,680.23 : 18,679,111.54 = 7,340,863.68 : x
  2. Step 2: Convert to fraction form
    13,535,680.23/18,679,111.54 = 7,340,863.68/x
  3. Step 3: Cross multiply
    13,535,680.23x = 18,679,111.54 × 7,340,863.68
  4. Step 4: Simplify right side
    13,535,680.23x = 137,120,811,460,302.72
  5. Step 5: Solve for x
    x = 137,120,811,460,302.72/13,535,680.23
  6. Step 6: Final answer
    x = 10,130,322.90

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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.