Home / 38,666,474.64-53,358,300.72-21,261,784.32

Finding the Fourth Proportional to 38,666,474.64, 53,358,300.72 and 21,261,784.32

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Solution

The fourth proportional to 38,666,474.64, 53,358,300.72 and 21,261,784.32 is: 29,340,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666,474.64 : 53,358,300.72 = 21,261,784.32 : x
  2. Step 2: Convert to fraction form
    38,666,474.64/53,358,300.72 = 21,261,784.32/x
  3. Step 3: Cross multiply
    38,666,474.64x = 53,358,300.72 × 21,261,784.32
  4. Step 4: Simplify right side
    38,666,474.64x = 1,134,492,681,590,340.75
  5. Step 5: Solve for x
    x = 1,134,492,681,590,340.75/38,666,474.64
  6. Step 6: Final answer
    x = 29,340,473.68

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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.