Home / 21,108,225.51-31,621,102.38-14,541,775.02

Finding the Fourth Proportional to 21,108,225.51, 31,621,102.38 and 14,541,775.02

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Solution

The fourth proportional to 21,108,225.51, 31,621,102.38 and 14,541,775.02 is: 21,784,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,108,225.51 : 31,621,102.38 = 14,541,775.02 : x
  2. Step 2: Convert to fraction form
    21,108,225.51/31,621,102.38 = 14,541,775.02/x
  3. Step 3: Cross multiply
    21,108,225.51x = 31,621,102.38 × 14,541,775.02
  4. Step 4: Simplify right side
    21,108,225.51x = 459,826,956,694,346.50
  5. Step 5: Solve for x
    x = 459,826,956,694,346.50/21,108,225.51
  6. Step 6: Final answer
    x = 21,784,254.51

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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.