Home / 39,346,810.83-54,298,648.69-21,705,314.58

Finding the Fourth Proportional to 39,346,810.83, 54,298,648.69 and 21,705,314.58

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Solution

The fourth proportional to 39,346,810.83, 54,298,648.69 and 21,705,314.58 is: 29,953,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,346,810.83 : 54,298,648.69 = 21,705,314.58 : x
  2. Step 2: Convert to fraction form
    39,346,810.83/54,298,648.69 = 21,705,314.58/x
  3. Step 3: Cross multiply
    39,346,810.83x = 54,298,648.69 × 21,705,314.58
  4. Step 4: Simplify right side
    39,346,810.83x = 1,178,569,251,031,091.50
  5. Step 5: Solve for x
    x = 1,178,569,251,031,091.50/39,346,810.83
  6. Step 6: Final answer
    x = 29,953,361.56

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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.