Home / 38,761,799.67-53,493,666.29-21,358,140.28

Finding the Fourth Proportional to 38,761,799.67, 53,493,666.29 and 21,358,140.28

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Solution

The fourth proportional to 38,761,799.67, 53,493,666.29 and 21,358,140.28 is: 29,475,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761,799.67 : 53,493,666.29 = 21,358,140.28 : x
  2. Step 2: Convert to fraction form
    38,761,799.67/53,493,666.29 = 21,358,140.28/x
  3. Step 3: Cross multiply
    38,761,799.67x = 53,493,666.29 × 21,358,140.28
  4. Step 4: Simplify right side
    38,761,799.67x = 1,142,525,228,713,327.25
  5. Step 5: Solve for x
    x = 1,142,525,228,713,327.25/38,761,799.67
  6. Step 6: Final answer
    x = 29,475,546.50

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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.