Home / 7,113,340-9,816,409.68-3,894,076

Finding the Fourth Proportional to 7,113,340, 9,816,409.68 and 3,894,076

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Solution

The fourth proportional to 7,113,340, 9,816,409.68 and 3,894,076 is: 5,373,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,340 : 9,816,409.68 = 3,894,076 : x
  2. Step 2: Convert to fraction form
    7,113,340/9,816,409.68 = 3,894,076/x
  3. Step 3: Cross multiply
    7,113,340x = 9,816,409.68 × 3,894,076
  4. Step 4: Simplify right side
    7,113,340x = 38,225,845,341,055.68
  5. Step 5: Solve for x
    x = 38,225,845,341,055.68/7,113,340
  6. Step 6: Final answer
    x = 5,373,825.14

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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.