Home / 10,919,515.20-16,315,307.79-10,537,636.29

Finding the Fourth Proportional to 10,919,515.20, 16,315,307.79 and 10,537,636.29

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Solution

The fourth proportional to 10,919,515.20, 16,315,307.79 and 10,537,636.29 is: 15,744,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919,515.20 : 16,315,307.79 = 10,537,636.29 : x
  2. Step 2: Convert to fraction form
    10,919,515.20/16,315,307.79 = 10,537,636.29/x
  3. Step 3: Cross multiply
    10,919,515.20x = 16,315,307.79 × 10,537,636.29
  4. Step 4: Simplify right side
    10,919,515.20x = 171,924,779,450,423.69
  5. Step 5: Solve for x
    x = 171,924,779,450,423.69/10,919,515.20
  6. Step 6: Final answer
    x = 15,744,726.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.