Home / 21,508,431.10-32,262,646.65-19,156,968.70

Finding the Fourth Proportional to 21,508,431.10, 32,262,646.65 and 19,156,968.70

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Solution

The fourth proportional to 21,508,431.10, 32,262,646.65 and 19,156,968.70 is: 28,735,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,431.10 : 32,262,646.65 = 19,156,968.70 : x
  2. Step 2: Convert to fraction form
    21,508,431.10/32,262,646.65 = 19,156,968.70/x
  3. Step 3: Cross multiply
    21,508,431.10x = 32,262,646.65 × 19,156,968.70
  4. Step 4: Simplify right side
    21,508,431.10x = 618,054,512,053,209.75
  5. Step 5: Solve for x
    x = 618,054,512,053,209.75/21,508,431.10
  6. Step 6: Final answer
    x = 28,735,453.05

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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.