Home / 7,242,513.61-9,992,196.90-4,488,196.07

Finding the Fourth Proportional to 7,242,513.61, 9,992,196.90 and 4,488,196.07

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Solution

The fourth proportional to 7,242,513.61, 9,992,196.90 and 4,488,196.07 is: 6,192,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,513.61 : 9,992,196.90 = 4,488,196.07 : x
  2. Step 2: Convert to fraction form
    7,242,513.61/9,992,196.90 = 4,488,196.07/x
  3. Step 3: Cross multiply
    7,242,513.61x = 9,992,196.90 × 4,488,196.07
  4. Step 4: Simplify right side
    7,242,513.61x = 44,846,938,808,237.52
  5. Step 5: Solve for x
    x = 44,846,938,808,237.52/7,242,513.61
  6. Step 6: Final answer
    x = 6,192,178.74

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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.