Home / 20,594,019.40-30,890,030.76-7,642,694.93

Finding the Fourth Proportional to 20,594,019.40, 30,890,030.76 and 7,642,694.93

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Solution

The fourth proportional to 20,594,019.40, 30,890,030.76 and 7,642,694.93 is: 11,463,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,019.40 : 30,890,030.76 = 7,642,694.93 : x
  2. Step 2: Convert to fraction form
    20,594,019.40/30,890,030.76 = 7,642,694.93/x
  3. Step 3: Cross multiply
    20,594,019.40x = 30,890,030.76 × 7,642,694.93
  4. Step 4: Simplify right side
    20,594,019.40x = 236,083,081,322,545.91
  5. Step 5: Solve for x
    x = 236,083,081,322,545.91/20,594,019.40
  6. Step 6: Final answer
    x = 11,463,671.89

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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.