Home / 10,692,433.86-16,022,139.49-7,220,564.47

Finding the Fourth Proportional to 10,692,433.86, 16,022,139.49 and 7,220,564.47

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Solution

The fourth proportional to 10,692,433.86, 16,022,139.49 and 7,220,564.47 is: 10,819,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,433.86 : 16,022,139.49 = 7,220,564.47 : x
  2. Step 2: Convert to fraction form
    10,692,433.86/16,022,139.49 = 7,220,564.47/x
  3. Step 3: Cross multiply
    10,692,433.86x = 16,022,139.49 × 7,220,564.47
  4. Step 4: Simplify right side
    10,692,433.86x = 115,688,891,163,931.31
  5. Step 5: Solve for x
    x = 115,688,891,163,931.31/10,692,433.86
  6. Step 6: Final answer
    x = 10,819,696.69

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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.