Home / 52,689,399.84-72,712,232.64-28,846,629.18

Finding the Fourth Proportional to 52,689,399.84, 72,712,232.64 and 28,846,629.18

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Solution

The fourth proportional to 52,689,399.84, 72,712,232.64 and 28,846,629.18 is: 39,808,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689,399.84 : 72,712,232.64 = 28,846,629.18 : x
  2. Step 2: Convert to fraction form
    52,689,399.84/72,712,232.64 = 28,846,629.18/x
  3. Step 3: Cross multiply
    52,689,399.84x = 72,712,232.64 × 28,846,629.18
  4. Step 4: Simplify right side
    52,689,399.84x = 2,097,502,811,815,972.50
  5. Step 5: Solve for x
    x = 2,097,502,811,815,972.50/52,689,399.84
  6. Step 6: Final answer
    x = 39,808,819.58

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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.