Home / 10,638,282.26-15,938,179.12-4,885,827.86

Finding the Fourth Proportional to 10,638,282.26, 15,938,179.12 and 4,885,827.86

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Solution

The fourth proportional to 10,638,282.26, 15,938,179.12 and 4,885,827.86 is: 7,319,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,282.26 : 15,938,179.12 = 4,885,827.86 : x
  2. Step 2: Convert to fraction form
    10,638,282.26/15,938,179.12 = 4,885,827.86/x
  3. Step 3: Cross multiply
    10,638,282.26x = 15,938,179.12 × 4,885,827.86
  4. Step 4: Simplify right side
    10,638,282.26x = 77,871,199,580,416.97
  5. Step 5: Solve for x
    x = 77,871,199,580,416.97/10,638,282.26
  6. Step 6: Final answer
    x = 7,319,903.51

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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.