Home / 51,762,434.40-71,431,664.88-28,557,748.32

Finding the Fourth Proportional to 51,762,434.40, 71,431,664.88 and 28,557,748.32

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Solution

The fourth proportional to 51,762,434.40, 71,431,664.88 and 28,557,748.32 is: 39,409,419.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,762,434.40 : 71,431,664.88 = 28,557,748.32 : x
  2. Step 2: Convert to fraction form
    51,762,434.40/71,431,664.88 = 28,557,748.32/x
  3. Step 3: Cross multiply
    51,762,434.40x = 71,431,664.88 × 28,557,748.32
  4. Step 4: Simplify right side
    51,762,434.40x = 2,039,927,507,721,623
  5. Step 5: Solve for x
    x = 2,039,927,507,721,623/51,762,434.40
  6. Step 6: Final answer
    x = 39,409,419.81

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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.