Home / 21,678,078.16-32,513,952.06-6,321,241.18

Finding the Fourth Proportional to 21,678,078.16, 32,513,952.06 and 6,321,241.18

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Solution

The fourth proportional to 21,678,078.16, 32,513,952.06 and 6,321,241.18 is: 9,480,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678,078.16 : 32,513,952.06 = 6,321,241.18 : x
  2. Step 2: Convert to fraction form
    21,678,078.16/32,513,952.06 = 6,321,241.18/x
  3. Step 3: Cross multiply
    21,678,078.16x = 32,513,952.06 × 6,321,241.18
  4. Step 4: Simplify right side
    21,678,078.16x = 205,528,532,686,217.81
  5. Step 5: Solve for x
    x = 205,528,532,686,217.81/21,678,078.16
  6. Step 6: Final answer
    x = 9,480,938.82

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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.