Home / 15,713,766.88-21,681,746.70-9,186,134

Finding the Fourth Proportional to 15,713,766.88, 21,681,746.70 and 9,186,134

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Solution

The fourth proportional to 15,713,766.88, 21,681,746.70 and 9,186,134 is: 12,674,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713,766.88 : 21,681,746.70 = 9,186,134 : x
  2. Step 2: Convert to fraction form
    15,713,766.88/21,681,746.70 = 9,186,134/x
  3. Step 3: Cross multiply
    15,713,766.88x = 21,681,746.70 × 9,186,134
  4. Step 4: Simplify right side
    15,713,766.88x = 199,171,430,540,257.78
  5. Step 5: Solve for x
    x = 199,171,430,540,257.78/15,713,766.88
  6. Step 6: Final answer
    x = 12,674,964.07

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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.