Home / 21,989,569.80-32,984,354.70-20,395,246.80

Finding the Fourth Proportional to 21,989,569.80, 32,984,354.70 and 20,395,246.80

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Solution

The fourth proportional to 21,989,569.80, 32,984,354.70 and 20,395,246.80 is: 30,592,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989,569.80 : 32,984,354.70 = 20,395,246.80 : x
  2. Step 2: Convert to fraction form
    21,989,569.80/32,984,354.70 = 20,395,246.80/x
  3. Step 3: Cross multiply
    21,989,569.80x = 32,984,354.70 × 20,395,246.80
  4. Step 4: Simplify right side
    21,989,569.80x = 672,724,054,645,240
  5. Step 5: Solve for x
    x = 672,724,054,645,240/21,989,569.80
  6. Step 6: Final answer
    x = 30,592,870.20

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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.