Home / 20,230,809.12-27,918,460.13-10,938,314.16

Finding the Fourth Proportional to 20,230,809.12, 27,918,460.13 and 10,938,314.16

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Solution

The fourth proportional to 20,230,809.12, 27,918,460.13 and 10,938,314.16 is: 15,094,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230,809.12 : 27,918,460.13 = 10,938,314.16 : x
  2. Step 2: Convert to fraction form
    20,230,809.12/27,918,460.13 = 10,938,314.16/x
  3. Step 3: Cross multiply
    20,230,809.12x = 27,918,460.13 × 10,938,314.16
  4. Step 4: Simplify right side
    20,230,809.12x = 305,380,887,710,682.88
  5. Step 5: Solve for x
    x = 305,380,887,710,682.88/20,230,809.12
  6. Step 6: Final answer
    x = 15,094,843.01

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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.