Home / 38,487,461.24-53,112,273.36-20,845,924.76

Finding the Fourth Proportional to 38,487,461.24, 53,112,273.36 and 20,845,924.76

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Solution

The fourth proportional to 38,487,461.24, 53,112,273.36 and 20,845,924.76 is: 28,767,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487,461.24 : 53,112,273.36 = 20,845,924.76 : x
  2. Step 2: Convert to fraction form
    38,487,461.24/53,112,273.36 = 20,845,924.76/x
  3. Step 3: Cross multiply
    38,487,461.24x = 53,112,273.36 × 20,845,924.76
  4. Step 4: Simplify right side
    38,487,461.24x = 1,107,174,454,295,112.50
  5. Step 5: Solve for x
    x = 1,107,174,454,295,112.50/38,487,461.24
  6. Step 6: Final answer
    x = 28,767,146.98

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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.