Home / 20,210,661.48-30,316,232.76-5,636,694.21

Finding the Fourth Proportional to 20,210,661.48, 30,316,232.76 and 5,636,694.21

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Solution

The fourth proportional to 20,210,661.48, 30,316,232.76 and 5,636,694.21 is: 8,455,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210,661.48 : 30,316,232.76 = 5,636,694.21 : x
  2. Step 2: Convert to fraction form
    20,210,661.48/30,316,232.76 = 5,636,694.21/x
  3. Step 3: Cross multiply
    20,210,661.48x = 30,316,232.76 × 5,636,694.21
  4. Step 4: Simplify right side
    20,210,661.48x = 170,883,333,667,304.31
  5. Step 5: Solve for x
    x = 170,883,333,667,304.31/20,210,661.48
  6. Step 6: Final answer
    x = 8,455,108.40

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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.