Home / 19,231,666.70-28,823,005.65-7,859,266.70

Finding the Fourth Proportional to 19,231,666.70, 28,823,005.65 and 7,859,266.70

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Solution

The fourth proportional to 19,231,666.70, 28,823,005.65 and 7,859,266.70 is: 11,778,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231,666.70 : 28,823,005.65 = 7,859,266.70 : x
  2. Step 2: Convert to fraction form
    19,231,666.70/28,823,005.65 = 7,859,266.70/x
  3. Step 3: Cross multiply
    19,231,666.70x = 28,823,005.65 × 7,859,266.70
  4. Step 4: Simplify right side
    19,231,666.70x = 226,527,688,498,956.84
  5. Step 5: Solve for x
    x = 226,527,688,498,956.84/19,231,666.70
  6. Step 6: Final answer
    x = 11,778,890.10

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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.