Home / 19,186,507.31-28,794,685.15-13,391,594.75

Finding the Fourth Proportional to 19,186,507.31, 28,794,685.15 and 13,391,594.75

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Solution

The fourth proportional to 19,186,507.31, 28,794,685.15 and 13,391,594.75 is: 20,097,808.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,507.31 : 28,794,685.15 = 13,391,594.75 : x
  2. Step 2: Convert to fraction form
    19,186,507.31/28,794,685.15 = 13,391,594.75/x
  3. Step 3: Cross multiply
    19,186,507.31x = 28,794,685.15 × 13,391,594.75
  4. Step 4: Simplify right side
    19,186,507.31x = 385,606,754,482,642.94
  5. Step 5: Solve for x
    x = 385,606,754,482,642.94/19,186,507.31
  6. Step 6: Final answer
    x = 20,097,808.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.