Home / 13,692,935.52-18,896,841.50-7,581,364

Finding the Fourth Proportional to 13,692,935.52, 18,896,841.50 and 7,581,364

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Solution

The fourth proportional to 13,692,935.52, 18,896,841.50 and 7,581,364 is: 10,462,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692,935.52 : 18,896,841.50 = 7,581,364 : x
  2. Step 2: Convert to fraction form
    13,692,935.52/18,896,841.50 = 7,581,364/x
  3. Step 3: Cross multiply
    13,692,935.52x = 18,896,841.50 × 7,581,364
  4. Step 4: Simplify right side
    13,692,935.52x = 143,263,833,861,806
  5. Step 5: Solve for x
    x = 143,263,833,861,806/13,692,935.52
  6. Step 6: Final answer
    x = 10,462,609.25

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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.