Home / 19,996,876.80-29,995,315.20-10,430,938.80

Finding the Fourth Proportional to 19,996,876.80, 29,995,315.20 and 10,430,938.80

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Solution

The fourth proportional to 19,996,876.80, 29,995,315.20 and 10,430,938.80 is: 15,646,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996,876.80 : 29,995,315.20 = 10,430,938.80 : x
  2. Step 2: Convert to fraction form
    19,996,876.80/29,995,315.20 = 10,430,938.80/x
  3. Step 3: Cross multiply
    19,996,876.80x = 29,995,315.20 × 10,430,938.80
  4. Step 4: Simplify right side
    19,996,876.80x = 312,879,297,137,909.75
  5. Step 5: Solve for x
    x = 312,879,297,137,909.75/19,996,876.80
  6. Step 6: Final answer
    x = 15,646,408.20

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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.