Home / 28,459,068.88-39,273,527.73-15,406,327.38

Finding the Fourth Proportional to 28,459,068.88, 39,273,527.73 and 15,406,327.38

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Solution

The fourth proportional to 28,459,068.88, 39,273,527.73 and 15,406,327.38 is: 21,260,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459,068.88 : 39,273,527.73 = 15,406,327.38 : x
  2. Step 2: Convert to fraction form
    28,459,068.88/39,273,527.73 = 15,406,327.38/x
  3. Step 3: Cross multiply
    28,459,068.88x = 39,273,527.73 × 15,406,327.38
  4. Step 4: Simplify right side
    28,459,068.88x = 605,060,825,575,888.25
  5. Step 5: Solve for x
    x = 605,060,825,575,888.25/28,459,068.88
  6. Step 6: Final answer
    x = 21,260,738.65

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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.