Home / 52,507,848.40-72,461,991.80-28,986,330.76

Finding the Fourth Proportional to 52,507,848.40, 72,461,991.80 and 28,986,330.76

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Solution

The fourth proportional to 52,507,848.40, 72,461,991.80 and 28,986,330.76 is: 40,001,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,507,848.40 : 72,461,991.80 = 28,986,330.76 : x
  2. Step 2: Convert to fraction form
    52,507,848.40/72,461,991.80 = 28,986,330.76/x
  3. Step 3: Cross multiply
    52,507,848.40x = 72,461,991.80 × 28,986,330.76
  4. Step 4: Simplify right side
    52,507,848.40x = 2,100,407,261,843,207.75
  5. Step 5: Solve for x
    x = 2,100,407,261,843,207.75/52,507,848.40
  6. Step 6: Final answer
    x = 40,001,777.37

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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.