Home / 28,177,787.58-38,868,159.87-18,630,037.50

Finding the Fourth Proportional to 28,177,787.58, 38,868,159.87 and 18,630,037.50

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Solution

The fourth proportional to 28,177,787.58, 38,868,159.87 and 18,630,037.50 is: 25,698,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177,787.58 : 38,868,159.87 = 18,630,037.50 : x
  2. Step 2: Convert to fraction form
    28,177,787.58/38,868,159.87 = 18,630,037.50/x
  3. Step 3: Cross multiply
    28,177,787.58x = 38,868,159.87 × 18,630,037.50
  4. Step 4: Simplify right side
    28,177,787.58x = 724,115,275,934,095.12
  5. Step 5: Solve for x
    x = 724,115,275,934,095.12/28,177,787.58
  6. Step 6: Final answer
    x = 25,698,088.39

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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.