Home / 27,637,156.72-38,139,063.12-15,247,772.26

Finding the Fourth Proportional to 27,637,156.72, 38,139,063.12 and 15,247,772.26

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Solution

The fourth proportional to 27,637,156.72, 38,139,063.12 and 15,247,772.26 is: 21,041,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637,156.72 : 38,139,063.12 = 15,247,772.26 : x
  2. Step 2: Convert to fraction form
    27,637,156.72/38,139,063.12 = 15,247,772.26/x
  3. Step 3: Cross multiply
    27,637,156.72x = 38,139,063.12 × 15,247,772.26
  4. Step 4: Simplify right side
    27,637,156.72x = 581,535,748,663,525
  5. Step 5: Solve for x
    x = 581,535,748,663,525/27,637,156.72
  6. Step 6: Final answer
    x = 21,041,808.12

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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.