Home / 38,979,914.88-53,791,070.40-22,460,070.72

Finding the Fourth Proportional to 38,979,914.88, 53,791,070.40 and 22,460,070.72

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Solution

The fourth proportional to 38,979,914.88, 53,791,070.40 and 22,460,070.72 is: 30,994,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,979,914.88 : 53,791,070.40 = 22,460,070.72 : x
  2. Step 2: Convert to fraction form
    38,979,914.88/53,791,070.40 = 22,460,070.72/x
  3. Step 3: Cross multiply
    38,979,914.88x = 53,791,070.40 × 22,460,070.72
  4. Step 4: Simplify right side
    38,979,914.88x = 1,208,151,245,288,498.50
  5. Step 5: Solve for x
    x = 1,208,151,245,288,498.50/38,979,914.88
  6. Step 6: Final answer
    x = 30,994,199.17

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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.