Home / 10,201,108.59-15,307,641.59-7,319,369.78

Finding the Fourth Proportional to 10,201,108.59, 15,307,641.59 and 7,319,369.78

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Solution

The fourth proportional to 10,201,108.59, 15,307,641.59 and 7,319,369.78 is: 10,983,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201,108.59 : 15,307,641.59 = 7,319,369.78 : x
  2. Step 2: Convert to fraction form
    10,201,108.59/15,307,641.59 = 7,319,369.78/x
  3. Step 3: Cross multiply
    10,201,108.59x = 15,307,641.59 × 7,319,369.78
  4. Step 4: Simplify right side
    10,201,108.59x = 112,042,289,143,782.11
  5. Step 5: Solve for x
    x = 112,042,289,143,782.11/10,201,108.59
  6. Step 6: Final answer
    x = 10,983,344.42

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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.