Home / 51,281,982.96-70,766,333.40-28,072,620.42

Finding the Fourth Proportional to 51,281,982.96, 70,766,333.40 and 28,072,620.42

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Solution

The fourth proportional to 51,281,982.96, 70,766,333.40 and 28,072,620.42 is: 38,738,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281,982.96 : 70,766,333.40 = 28,072,620.42 : x
  2. Step 2: Convert to fraction form
    51,281,982.96/70,766,333.40 = 28,072,620.42/x
  3. Step 3: Cross multiply
    51,281,982.96x = 70,766,333.40 × 28,072,620.42
  4. Step 4: Simplify right side
    51,281,982.96x = 1,986,596,416,053,368.25
  5. Step 5: Solve for x
    x = 1,986,596,416,053,368.25/51,281,982.96
  6. Step 6: Final answer
    x = 38,738,681.72

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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.