Home / 27,487,000.64-37,932,128.88-15,263,857.28

Finding the Fourth Proportional to 27,487,000.64, 37,932,128.88 and 15,263,857.28

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Solution

The fourth proportional to 27,487,000.64, 37,932,128.88 and 15,263,857.28 is: 21,064,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487,000.64 : 37,932,128.88 = 15,263,857.28 : x
  2. Step 2: Convert to fraction form
    27,487,000.64/37,932,128.88 = 15,263,857.28/x
  3. Step 3: Cross multiply
    27,487,000.64x = 37,932,128.88 × 15,263,857.28
  4. Step 4: Simplify right side
    27,487,000.64x = 578,990,601,550,886.25
  5. Step 5: Solve for x
    x = 578,990,601,550,886.25/27,487,000.64
  6. Step 6: Final answer
    x = 21,064,160.81

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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.