Home / 13,875,995.52-20,798,809.92-7,144,813.44

Finding the Fourth Proportional to 13,875,995.52, 20,798,809.92 and 7,144,813.44

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Solution

The fourth proportional to 13,875,995.52, 20,798,809.92 and 7,144,813.44 is: 10,709,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875,995.52 : 20,798,809.92 = 7,144,813.44 : x
  2. Step 2: Convert to fraction form
    13,875,995.52/20,798,809.92 = 7,144,813.44/x
  3. Step 3: Cross multiply
    13,875,995.52x = 20,798,809.92 × 7,144,813.44
  4. Step 4: Simplify right side
    13,875,995.52x = 148,603,616,652,421.34
  5. Step 5: Solve for x
    x = 148,603,616,652,421.34/13,875,995.52
  6. Step 6: Final answer
    x = 10,709,402.18

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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.