Home / 7,180,073.54-9,908,501.49-3,916,901.43

Finding the Fourth Proportional to 7,180,073.54, 9,908,501.49 and 3,916,901.43

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Solution

The fourth proportional to 7,180,073.54, 9,908,501.49 and 3,916,901.43 is: 5,405,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,073.54 : 9,908,501.49 = 3,916,901.43 : x
  2. Step 2: Convert to fraction form
    7,180,073.54/9,908,501.49 = 3,916,901.43/x
  3. Step 3: Cross multiply
    7,180,073.54x = 9,908,501.49 × 3,916,901.43
  4. Step 4: Simplify right side
    7,180,073.54x = 38,810,623,655,338.13
  5. Step 5: Solve for x
    x = 38,810,623,655,338.13/7,180,073.54
  6. Step 6: Final answer
    x = 5,405,323.98

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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.