Home / 21,548,085.16-29,736,988.48-11,759,160.12

Finding the Fourth Proportional to 21,548,085.16, 29,736,988.48 and 11,759,160.12

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Solution

The fourth proportional to 21,548,085.16, 29,736,988.48 and 11,759,160.12 is: 16,227,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,085.16 : 29,736,988.48 = 11,759,160.12 : x
  2. Step 2: Convert to fraction form
    21,548,085.16/29,736,988.48 = 11,759,160.12/x
  3. Step 3: Cross multiply
    21,548,085.16x = 29,736,988.48 × 11,759,160.12
  4. Step 4: Simplify right side
    21,548,085.16x = 349,682,009,022,915.38
  5. Step 5: Solve for x
    x = 349,682,009,022,915.38/21,548,085.16
  6. Step 6: Final answer
    x = 16,227,985.29

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Double scale
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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.