Home / 38,113,721.73-52,596,821.48-20,710,120.05

Finding the Fourth Proportional to 38,113,721.73, 52,596,821.48 and 20,710,120.05

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Solution

The fourth proportional to 38,113,721.73, 52,596,821.48 and 20,710,120.05 is: 28,579,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113,721.73 : 52,596,821.48 = 20,710,120.05 : x
  2. Step 2: Convert to fraction form
    38,113,721.73/52,596,821.48 = 20,710,120.05/x
  3. Step 3: Cross multiply
    38,113,721.73x = 52,596,821.48 × 20,710,120.05
  4. Step 4: Simplify right side
    38,113,721.73x = 1,089,286,487,150,994
  5. Step 5: Solve for x
    x = 1,089,286,487,150,994/38,113,721.73
  6. Step 6: Final answer
    x = 28,579,903.45

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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.