Home / 38,142,299.59-52,636,001.66-20,738,644.45

Finding the Fourth Proportional to 38,142,299.59, 52,636,001.66 and 20,738,644.45

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Solution

The fourth proportional to 38,142,299.59, 52,636,001.66 and 20,738,644.45 is: 28,619,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142,299.59 : 52,636,001.66 = 20,738,644.45 : x
  2. Step 2: Convert to fraction form
    38,142,299.59/52,636,001.66 = 20,738,644.45/x
  3. Step 3: Cross multiply
    38,142,299.59x = 52,636,001.66 × 20,738,644.45
  4. Step 4: Simplify right side
    38,142,299.59x = 1,091,599,323,592,656.50
  5. Step 5: Solve for x
    x = 1,091,599,323,592,656.50/38,142,299.59
  6. Step 6: Final answer
    x = 28,619,127.20

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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.