Home / 13,100,959.26-18,079,088.58-7,140,419.70

Finding the Fourth Proportional to 13,100,959.26, 18,079,088.58 and 7,140,419.70

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Solution

The fourth proportional to 13,100,959.26, 18,079,088.58 and 7,140,419.70 is: 9,853,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,959.26 : 18,079,088.58 = 7,140,419.70 : x
  2. Step 2: Convert to fraction form
    13,100,959.26/18,079,088.58 = 7,140,419.70/x
  3. Step 3: Cross multiply
    13,100,959.26x = 18,079,088.58 × 7,140,419.70
  4. Step 4: Simplify right side
    13,100,959.26x = 129,092,280,254,677.02
  5. Step 5: Solve for x
    x = 129,092,280,254,677.02/13,100,959.26
  6. Step 6: Final answer
    x = 9,853,651.00

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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.