Home / 21,603,417.60-32,400,979.20-6,457,843.20

Finding the Fourth Proportional to 21,603,417.60, 32,400,979.20 and 6,457,843.20

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Solution

The fourth proportional to 21,603,417.60, 32,400,979.20 and 6,457,843.20 is: 9,685,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603,417.60 : 32,400,979.20 = 6,457,843.20 : x
  2. Step 2: Convert to fraction form
    21,603,417.60/32,400,979.20 = 6,457,843.20/x
  3. Step 3: Cross multiply
    21,603,417.60x = 32,400,979.20 × 6,457,843.20
  4. Step 4: Simplify right side
    21,603,417.60x = 209,240,443,200,061.44
  5. Step 5: Solve for x
    x = 209,240,443,200,061.44/21,603,417.60
  6. Step 6: Final answer
    x = 9,685,525.09

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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.