Home / 7,171,373.34-9,896,206.65-3,908,118.45

Finding the Fourth Proportional to 7,171,373.34, 9,896,206.65 and 3,908,118.45

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Solution

The fourth proportional to 7,171,373.34, 9,896,206.65 and 3,908,118.45 is: 5,393,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,373.34 : 9,896,206.65 = 3,908,118.45 : x
  2. Step 2: Convert to fraction form
    7,171,373.34/9,896,206.65 = 3,908,118.45/x
  3. Step 3: Cross multiply
    7,171,373.34x = 9,896,206.65 × 3,908,118.45
  4. Step 4: Simplify right side
    7,171,373.34x = 38,675,547,793,877.70
  5. Step 5: Solve for x
    x = 38,675,547,793,877.70/7,171,373.34
  6. Step 6: Final answer
    x = 5,393,046.21

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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.