Home / 13,070,890.17-18,036,446.45-7,268,733.81

Finding the Fourth Proportional to 13,070,890.17, 18,036,446.45 and 7,268,733.81

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Solution

The fourth proportional to 13,070,890.17, 18,036,446.45 and 7,268,733.81 is: 10,030,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,890.17 : 18,036,446.45 = 7,268,733.81 : x
  2. Step 2: Convert to fraction form
    13,070,890.17/18,036,446.45 = 7,268,733.81/x
  3. Step 3: Cross multiply
    13,070,890.17x = 18,036,446.45 × 7,268,733.81
  4. Step 4: Simplify right side
    13,070,890.17x = 131,102,128,087,025.80
  5. Step 5: Solve for x
    x = 131,102,128,087,025.80/13,070,890.17
  6. Step 6: Final answer
    x = 10,030,084.13

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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.