Home / 20,255,877.77-27,953,109.21-10,963,446.19

Finding the Fourth Proportional to 20,255,877.77, 27,953,109.21 and 10,963,446.19

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Solution

The fourth proportional to 20,255,877.77, 27,953,109.21 and 10,963,446.19 is: 15,129,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,877.77 : 27,953,109.21 = 10,963,446.19 : x
  2. Step 2: Convert to fraction form
    20,255,877.77/27,953,109.21 = 10,963,446.19/x
  3. Step 3: Cross multiply
    20,255,877.77x = 27,953,109.21 × 10,963,446.19
  4. Step 4: Simplify right side
    20,255,877.77x = 306,462,408,638,258.56
  5. Step 5: Solve for x
    x = 306,462,408,638,258.56/20,255,877.77
  6. Step 6: Final answer
    x = 15,129,554.60

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1.5x scale

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.