Home / 10,658,566.40-15,987,849.60-8,957,955.20

Finding the Fourth Proportional to 10,658,566.40, 15,987,849.60 and 8,957,955.20

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Solution

The fourth proportional to 10,658,566.40, 15,987,849.60 and 8,957,955.20 is: 13,436,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658,566.40 : 15,987,849.60 = 8,957,955.20 : x
  2. Step 2: Convert to fraction form
    10,658,566.40/15,987,849.60 = 8,957,955.20/x
  3. Step 3: Cross multiply
    10,658,566.40x = 15,987,849.60 × 8,957,955.20
  4. Step 4: Simplify right side
    10,658,566.40x = 143,218,440,461,137.91
  5. Step 5: Solve for x
    x = 143,218,440,461,137.91/10,658,566.40
  6. Step 6: Final answer
    x = 13,436,932.80

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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.