Home / 7,176,434.04-9,903,406.68-3,913,240.50

Finding the Fourth Proportional to 7,176,434.04, 9,903,406.68 and 3,913,240.50

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Solution

The fourth proportional to 7,176,434.04, 9,903,406.68 and 3,913,240.50 is: 5,400,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,434.04 : 9,903,406.68 = 3,913,240.50 : x
  2. Step 2: Convert to fraction form
    7,176,434.04/9,903,406.68 = 3,913,240.50/x
  3. Step 3: Cross multiply
    7,176,434.04x = 9,903,406.68 × 3,913,240.50
  4. Step 4: Simplify right side
    7,176,434.04x = 38,754,412,108,146.54
  5. Step 5: Solve for x
    x = 38,754,412,108,146.54/7,176,434.04
  6. Step 6: Final answer
    x = 5,400,232.47

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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.