Home / 38,060,756.42-52,523,895.78-20,657,101.91

Finding the Fourth Proportional to 38,060,756.42, 52,523,895.78 and 20,657,101.91

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Solution

The fourth proportional to 38,060,756.42, 52,523,895.78 and 20,657,101.91 is: 28,506,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,060,756.42 : 52,523,895.78 = 20,657,101.91 : x
  2. Step 2: Convert to fraction form
    38,060,756.42/52,523,895.78 = 20,657,101.91/x
  3. Step 3: Cross multiply
    38,060,756.42x = 52,523,895.78 × 20,657,101.91
  4. Step 4: Simplify right side
    38,060,756.42x = 1,084,991,467,575,059.50
  5. Step 5: Solve for x
    x = 1,084,991,467,575,059.50/38,060,756.42
  6. Step 6: Final answer
    x = 28,506,828.81

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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.