Home / 13,237,386.31-18,268,373.42-9,968,433.67

Finding the Fourth Proportional to 13,237,386.31, 18,268,373.42 and 9,968,433.67

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Solution

The fourth proportional to 13,237,386.31, 18,268,373.42 and 9,968,433.67 is: 13,757,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237,386.31 : 18,268,373.42 = 9,968,433.67 : x
  2. Step 2: Convert to fraction form
    13,237,386.31/18,268,373.42 = 9,968,433.67/x
  3. Step 3: Cross multiply
    13,237,386.31x = 18,268,373.42 × 9,968,433.67
  4. Step 4: Simplify right side
    13,237,386.31x = 182,107,068,696,061.06
  5. Step 5: Solve for x
    x = 182,107,068,696,061.06/13,237,386.31
  6. Step 6: Final answer
    x = 13,757,026.08

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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.