Home / 21,563,853.20-32,345,779.80-5,607,501.20

Finding the Fourth Proportional to 21,563,853.20, 32,345,779.80 and 5,607,501.20

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Solution

The fourth proportional to 21,563,853.20, 32,345,779.80 and 5,607,501.20 is: 8,411,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563,853.20 : 32,345,779.80 = 5,607,501.20 : x
  2. Step 2: Convert to fraction form
    21,563,853.20/32,345,779.80 = 5,607,501.20/x
  3. Step 3: Cross multiply
    21,563,853.20x = 32,345,779.80 × 5,607,501.20
  4. Step 4: Simplify right side
    21,563,853.20x = 181,378,999,043,435.78
  5. Step 5: Solve for x
    x = 181,378,999,043,435.78/21,563,853.20
  6. Step 6: Final answer
    x = 8,411,251.80

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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.