Home / 38,852,284-53,614,743.66-21,448,254.64

Finding the Fourth Proportional to 38,852,284, 53,614,743.66 and 21,448,254.64

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Solution

The fourth proportional to 38,852,284, 53,614,743.66 and 21,448,254.64 is: 29,597,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,852,284 : 53,614,743.66 = 21,448,254.64 : x
  2. Step 2: Convert to fraction form
    38,852,284/53,614,743.66 = 21,448,254.64/x
  3. Step 3: Cross multiply
    38,852,284x = 53,614,743.66 × 21,448,254.64
  4. Step 4: Simplify right side
    38,852,284x = 1,149,942,674,478,005.50
  5. Step 5: Solve for x
    x = 1,149,942,674,478,005.50/38,852,284
  6. Step 6: Final answer
    x = 29,597,813.98

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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.