Home / 7,270,466.64-10,905,667.15-1,878,658.71

Finding the Fourth Proportional to 7,270,466.64, 10,905,667.15 and 1,878,658.71

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Solution

The fourth proportional to 7,270,466.64, 10,905,667.15 and 1,878,658.71 is: 2,817,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270,466.64 : 10,905,667.15 = 1,878,658.71 : x
  2. Step 2: Convert to fraction form
    7,270,466.64/10,905,667.15 = 1,878,658.71/x
  3. Step 3: Cross multiply
    7,270,466.64x = 10,905,667.15 × 1,878,658.71
  4. Step 4: Simplify right side
    7,270,466.64x = 20,488,026,579,708.38
  5. Step 5: Solve for x
    x = 20,488,026,579,708.38/7,270,466.64
  6. Step 6: Final answer
    x = 2,817,979.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.