Home / 38,113,983.42-52,597,630.32-20,710,328.58

Finding the Fourth Proportional to 38,113,983.42, 52,597,630.32 and 20,710,328.58

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Solution

The fourth proportional to 38,113,983.42, 52,597,630.32 and 20,710,328.58 is: 28,580,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113,983.42 : 52,597,630.32 = 20,710,328.58 : x
  2. Step 2: Convert to fraction form
    38,113,983.42/52,597,630.32 = 20,710,328.58/x
  3. Step 3: Cross multiply
    38,113,983.42x = 52,597,630.32 × 20,710,328.58
  4. Step 4: Simplify right side
    38,113,983.42x = 1,089,314,206,456,570.50
  5. Step 5: Solve for x
    x = 1,089,314,206,456,570.50/38,113,983.42
  6. Step 6: Final answer
    x = 28,580,434.49

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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.