Home / 15,264,944.64-21,066,128.64-8,389,670.40

Finding the Fourth Proportional to 15,264,944.64, 21,066,128.64 and 8,389,670.40

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Solution

The fourth proportional to 15,264,944.64, 21,066,128.64 and 8,389,670.40 is: 11,578,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264,944.64 : 21,066,128.64 = 8,389,670.40 : x
  2. Step 2: Convert to fraction form
    15,264,944.64/21,066,128.64 = 8,389,670.40/x
  3. Step 3: Cross multiply
    15,264,944.64x = 21,066,128.64 × 8,389,670.40
  4. Step 4: Simplify right side
    15,264,944.64x = 176,737,875,893,600.28
  5. Step 5: Solve for x
    x = 176,737,875,893,600.28/15,264,944.64
  6. Step 6: Final answer
    x = 11,578,022.72

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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.