Home / 18,739,307.71-25,859,758.90-10,366,986.79

Finding the Fourth Proportional to 18,739,307.71, 25,859,758.90 and 10,366,986.79

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Solution

The fourth proportional to 18,739,307.71, 25,859,758.90 and 10,366,986.79 is: 14,306,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,307.71 : 25,859,758.90 = 10,366,986.79 : x
  2. Step 2: Convert to fraction form
    18,739,307.71/25,859,758.90 = 10,366,986.79/x
  3. Step 3: Cross multiply
    18,739,307.71x = 25,859,758.90 × 10,366,986.79
  4. Step 4: Simplify right side
    18,739,307.71x = 268,087,778,908,884.91
  5. Step 5: Solve for x
    x = 268,087,778,908,884.91/18,739,307.71
  6. Step 6: Final answer
    x = 14,306,173.05

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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.