Home / 27,702,208.32-38,228,380.16-15,142,704.72

Finding the Fourth Proportional to 27,702,208.32, 38,228,380.16 and 15,142,704.72

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Solution

The fourth proportional to 27,702,208.32, 38,228,380.16 and 15,142,704.72 is: 20,896,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702,208.32 : 38,228,380.16 = 15,142,704.72 : x
  2. Step 2: Convert to fraction form
    27,702,208.32/38,228,380.16 = 15,142,704.72/x
  3. Step 3: Cross multiply
    27,702,208.32x = 38,228,380.16 × 15,142,704.72
  4. Step 4: Simplify right side
    27,702,208.32x = 578,881,072,611,072.88
  5. Step 5: Solve for x
    x = 578,881,072,611,072.88/27,702,208.32
  6. Step 6: Final answer
    x = 20,896,567.74

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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.