Home / 18,697,569.98-28,043,543.43-5,916,411.50

Finding the Fourth Proportional to 18,697,569.98, 28,043,543.43 and 5,916,411.50

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Solution

The fourth proportional to 18,697,569.98, 28,043,543.43 and 5,916,411.50 is: 8,873,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697,569.98 : 28,043,543.43 = 5,916,411.50 : x
  2. Step 2: Convert to fraction form
    18,697,569.98/28,043,543.43 = 5,916,411.50/x
  3. Step 3: Cross multiply
    18,697,569.98x = 28,043,543.43 × 5,916,411.50
  4. Step 4: Simplify right side
    18,697,569.98x = 165,917,142,709,783.72
  5. Step 5: Solve for x
    x = 165,917,142,709,783.72/18,697,569.98
  6. Step 6: Final answer
    x = 8,873,727.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.