Home / 28,559,531.62-39,412,838.46-15,507,340.66

Finding the Fourth Proportional to 28,559,531.62, 39,412,838.46 and 15,507,340.66

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Solution

The fourth proportional to 28,559,531.62, 39,412,838.46 and 15,507,340.66 is: 21,400,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559,531.62 : 39,412,838.46 = 15,507,340.66 : x
  2. Step 2: Convert to fraction form
    28,559,531.62/39,412,838.46 = 15,507,340.66/x
  3. Step 3: Cross multiply
    28,559,531.62x = 39,412,838.46 × 15,507,340.66
  4. Step 4: Simplify right side
    28,559,531.62x = 611,188,312,376,769.75
  5. Step 5: Solve for x
    x = 611,188,312,376,769.75/28,559,531.62
  6. Step 6: Final answer
    x = 21,400,501.96

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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.