Home / 21,690,645.63-32,535,828-5,516,457.15

Finding the Fourth Proportional to 21,690,645.63, 32,535,828 and 5,516,457.15

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Solution

The fourth proportional to 21,690,645.63, 32,535,828 and 5,516,457.15 is: 8,274,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,690,645.63 : 32,535,828 = 5,516,457.15 : x
  2. Step 2: Convert to fraction form
    21,690,645.63/32,535,828 = 5,516,457.15/x
  3. Step 3: Cross multiply
    21,690,645.63x = 32,535,828 × 5,516,457.15
  4. Step 4: Simplify right side
    21,690,645.63x = 179,482,501,001,770.22
  5. Step 5: Solve for x
    x = 179,482,501,001,770.22/21,690,645.63
  6. Step 6: Final answer
    x = 8,274,650.01

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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.