Home / 38,490,911.64-53,117,439.66-23,020,995.96

Finding the Fourth Proportional to 38,490,911.64, 53,117,439.66 and 23,020,995.96

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Solution

The fourth proportional to 38,490,911.64, 53,117,439.66 and 23,020,995.96 is: 31,768,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,490,911.64 : 53,117,439.66 = 23,020,995.96 : x
  2. Step 2: Convert to fraction form
    38,490,911.64/53,117,439.66 = 23,020,995.96/x
  3. Step 3: Cross multiply
    38,490,911.64x = 53,117,439.66 × 23,020,995.96
  4. Step 4: Simplify right side
    38,490,911.64x = 1,222,816,363,818,403.75
  5. Step 5: Solve for x
    x = 1,222,816,363,818,403.75/38,490,911.64
  6. Step 6: Final answer
    x = 31,768,963.42

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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.