Home / 19,546,444.60-29,319,666.90-12,743,999.80

Finding the Fourth Proportional to 19,546,444.60, 29,319,666.90 and 12,743,999.80

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Solution

The fourth proportional to 19,546,444.60, 29,319,666.90 and 12,743,999.80 is: 19,115,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,546,444.60 : 29,319,666.90 = 12,743,999.80 : x
  2. Step 2: Convert to fraction form
    19,546,444.60/29,319,666.90 = 12,743,999.80/x
  3. Step 3: Cross multiply
    19,546,444.60x = 29,319,666.90 × 12,743,999.80
  4. Step 4: Simplify right side
    19,546,444.60x = 373,649,829,109,666.62
  5. Step 5: Solve for x
    x = 373,649,829,109,666.62/19,546,444.60
  6. Step 6: Final answer
    x = 19,115,999.70

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1.5x scale

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.