Home / 51,637,889.81-71,261,855.66-28,433,847.15

Finding the Fourth Proportional to 51,637,889.81, 71,261,855.66 and 28,433,847.15

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Solution

The fourth proportional to 51,637,889.81, 71,261,855.66 and 28,433,847.15 is: 39,239,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,637,889.81 : 71,261,855.66 = 28,433,847.15 : x
  2. Step 2: Convert to fraction form
    51,637,889.81/71,261,855.66 = 28,433,847.15/x
  3. Step 3: Cross multiply
    51,637,889.81x = 71,261,855.66 × 28,433,847.15
  4. Step 4: Simplify right side
    51,637,889.81x = 2,026,248,711,532,886.75
  5. Step 5: Solve for x
    x = 2,026,248,711,532,886.75/51,637,889.81
  6. Step 6: Final answer
    x = 39,239,572.32

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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.