Home / 10,513,911.69-14,509,387.08-6,166,133.82

Finding the Fourth Proportional to 10,513,911.69, 14,509,387.08 and 6,166,133.82

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Solution

The fourth proportional to 10,513,911.69, 14,509,387.08 and 6,166,133.82 is: 8,509,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513,911.69 : 14,509,387.08 = 6,166,133.82 : x
  2. Step 2: Convert to fraction form
    10,513,911.69/14,509,387.08 = 6,166,133.82/x
  3. Step 3: Cross multiply
    10,513,911.69x = 14,509,387.08 × 6,166,133.82
  4. Step 4: Simplify right side
    10,513,911.69x = 89,466,822,381,459.05
  5. Step 5: Solve for x
    x = 89,466,822,381,459.05/10,513,911.69
  6. Step 6: Final answer
    x = 8,509,375.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.