Home / 21,431,360-29,575,288.32-11,774,190.08

Finding the Fourth Proportional to 21,431,360, 29,575,288.32 and 11,774,190.08

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Solution

The fourth proportional to 21,431,360, 29,575,288.32 and 11,774,190.08 is: 16,248,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,431,360 : 29,575,288.32 = 11,774,190.08 : x
  2. Step 2: Convert to fraction form
    21,431,360/29,575,288.32 = 11,774,190.08/x
  3. Step 3: Cross multiply
    21,431,360x = 29,575,288.32 × 11,774,190.08
  4. Step 4: Simplify right side
    21,431,360x = 348,225,066,350,483.88
  5. Step 5: Solve for x
    x = 348,225,066,350,483.88/21,431,360
  6. Step 6: Final answer
    x = 16,248,388.64

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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.