Home / 34,338,089.76-47,386,550.52-18,869,172

Finding the Fourth Proportional to 34,338,089.76, 47,386,550.52 and 18,869,172

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Solution

The fourth proportional to 34,338,089.76, 47,386,550.52 and 18,869,172 is: 26,039,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,338,089.76 : 47,386,550.52 = 18,869,172 : x
  2. Step 2: Convert to fraction form
    34,338,089.76/47,386,550.52 = 18,869,172/x
  3. Step 3: Cross multiply
    34,338,089.76x = 47,386,550.52 × 18,869,172
  4. Step 4: Simplify right side
    34,338,089.76x = 894,144,972,248,569.50
  5. Step 5: Solve for x
    x = 894,144,972,248,569.50/34,338,089.76
  6. Step 6: Final answer
    x = 26,039,450.02

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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.