Home / 51,795,280.80-71,477,476.32-28,590,401.76

Finding the Fourth Proportional to 51,795,280.80, 71,477,476.32 and 28,590,401.76

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Solution

The fourth proportional to 51,795,280.80, 71,477,476.32 and 28,590,401.76 is: 39,454,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,795,280.80 : 71,477,476.32 = 28,590,401.76 : x
  2. Step 2: Convert to fraction form
    51,795,280.80/71,477,476.32 = 28,590,401.76/x
  3. Step 3: Cross multiply
    51,795,280.80x = 71,477,476.32 × 28,590,401.76
  4. Step 4: Simplify right side
    51,795,280.80x = 2,043,569,764,779,686.25
  5. Step 5: Solve for x
    x = 2,043,569,764,779,686.25/51,795,280.80
  6. Step 6: Final answer
    x = 39,454,748.26

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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.