Home / 21,583,416.10-32,321,980.05-10,210,578.70

Finding the Fourth Proportional to 21,583,416.10, 32,321,980.05 and 10,210,578.70

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Solution

The fourth proportional to 21,583,416.10, 32,321,980.05 and 10,210,578.70 is: 15,290,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583,416.10 : 32,321,980.05 = 10,210,578.70 : x
  2. Step 2: Convert to fraction form
    21,583,416.10/32,321,980.05 = 10,210,578.70/x
  3. Step 3: Cross multiply
    21,583,416.10x = 32,321,980.05 × 10,210,578.70
  4. Step 4: Simplify right side
    21,583,416.10x = 330,026,121,040,354.94
  5. Step 5: Solve for x
    x = 330,026,121,040,354.94/21,583,416.10
  6. Step 6: Final answer
    x = 15,290,726.89

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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.