Home / 12,896,299.20-19,316,455.20-10,656,811.20

Finding the Fourth Proportional to 12,896,299.20, 19,316,455.20 and 10,656,811.20

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Solution

The fourth proportional to 12,896,299.20, 19,316,455.20 and 10,656,811.20 is: 15,962,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,299.20 : 19,316,455.20 = 10,656,811.20 : x
  2. Step 2: Convert to fraction form
    12,896,299.20/19,316,455.20 = 10,656,811.20/x
  3. Step 3: Cross multiply
    12,896,299.20x = 19,316,455.20 × 10,656,811.20
  4. Step 4: Simplify right side
    12,896,299.20x = 205,851,816,119,658.22
  5. Step 5: Solve for x
    x = 205,851,816,119,658.22/12,896,299.20
  6. Step 6: Final answer
    x = 15,962,084.39

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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.