Home / 7,442,813.79-10,272,193.81-4,543,885.15

Finding the Fourth Proportional to 7,442,813.79, 10,272,193.81 and 4,543,885.15

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Solution

The fourth proportional to 7,442,813.79, 10,272,193.81 and 4,543,885.15 is: 6,271,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442,813.79 : 10,272,193.81 = 4,543,885.15 : x
  2. Step 2: Convert to fraction form
    7,442,813.79/10,272,193.81 = 4,543,885.15/x
  3. Step 3: Cross multiply
    7,442,813.79x = 10,272,193.81 × 4,543,885.15
  4. Step 4: Simplify right side
    7,442,813.79x = 46,675,668,874,140.72
  5. Step 5: Solve for x
    x = 46,675,668,874,140.72/7,442,813.79
  6. Step 6: Final answer
    x = 6,271,239.64

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Double scale
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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.