Home / 12,756,603.18-19,143,871.35-11,536,946.07

Finding the Fourth Proportional to 12,756,603.18, 19,143,871.35 and 11,536,946.07

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Solution

The fourth proportional to 12,756,603.18, 19,143,871.35 and 11,536,946.07 is: 17,313,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,603.18 : 19,143,871.35 = 11,536,946.07 : x
  2. Step 2: Convert to fraction form
    12,756,603.18/19,143,871.35 = 11,536,946.07/x
  3. Step 3: Cross multiply
    12,756,603.18x = 19,143,871.35 × 11,536,946.07
  4. Step 4: Simplify right side
    12,756,603.18x = 220,861,811,335,968.12
  5. Step 5: Solve for x
    x = 220,861,811,335,968.12/12,756,603.18
  6. Step 6: Final answer
    x = 17,313,528.39

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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.