Home / 23,121,401.32-31,908,064.26-12,668,415.40

Finding the Fourth Proportional to 23,121,401.32, 31,908,064.26 and 12,668,415.40

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Solution

The fourth proportional to 23,121,401.32, 31,908,064.26 and 12,668,415.40 is: 17,482,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121,401.32 : 31,908,064.26 = 12,668,415.40 : x
  2. Step 2: Convert to fraction form
    23,121,401.32/31,908,064.26 = 12,668,415.40/x
  3. Step 3: Cross multiply
    23,121,401.32x = 31,908,064.26 × 12,668,415.40
  4. Step 4: Simplify right side
    23,121,401.32x = 404,224,612,655,573.62
  5. Step 5: Solve for x
    x = 404,224,612,655,573.62/23,121,401.32
  6. Step 6: Final answer
    x = 17,482,703.88

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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.