Home / 15,496,056-21,384,455.76-8,527,157.28

Finding the Fourth Proportional to 15,496,056, 21,384,455.76 and 8,527,157.28

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Solution

The fourth proportional to 15,496,056, 21,384,455.76 and 8,527,157.28 is: 11,767,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,496,056 : 21,384,455.76 = 8,527,157.28 : x
  2. Step 2: Convert to fraction form
    15,496,056/21,384,455.76 = 8,527,157.28/x
  3. Step 3: Cross multiply
    15,496,056x = 21,384,455.76 × 8,527,157.28
  4. Step 4: Simplify right side
    15,496,056x = 182,348,617,612,721.94
  5. Step 5: Solve for x
    x = 182,348,617,612,721.94/15,496,056
  6. Step 6: Final answer
    x = 11,767,421.18

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1.5x scale

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.