Home / 9,781,343.46-14,742,322.38-8,431,410.72

Finding the Fourth Proportional to 9,781,343.46, 14,742,322.38 and 8,431,410.72

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Solution

The fourth proportional to 9,781,343.46, 14,742,322.38 and 8,431,410.72 is: 12,707,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,343.46 : 14,742,322.38 = 8,431,410.72 : x
  2. Step 2: Convert to fraction form
    9,781,343.46/14,742,322.38 = 8,431,410.72/x
  3. Step 3: Cross multiply
    9,781,343.46x = 14,742,322.38 × 8,431,410.72
  4. Step 4: Simplify right side
    9,781,343.46x = 124,298,574,952,427.94
  5. Step 5: Solve for x
    x = 124,298,574,952,427.94/9,781,343.46
  6. Step 6: Final answer
    x = 12,707,720.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.