Home / 10,366,186.78-14,310,516.76-6,447,206.18

Finding the Fourth Proportional to 10,366,186.78, 14,310,516.76 and 6,447,206.18

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Solution

The fourth proportional to 10,366,186.78, 14,310,516.76 and 6,447,206.18 is: 8,900,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,186.78 : 14,310,516.76 = 6,447,206.18 : x
  2. Step 2: Convert to fraction form
    10,366,186.78/14,310,516.76 = 6,447,206.18/x
  3. Step 3: Cross multiply
    10,366,186.78x = 14,310,516.76 × 6,447,206.18
  4. Step 4: Simplify right side
    10,366,186.78x = 92,262,852,094,065.58
  5. Step 5: Solve for x
    x = 92,262,852,094,065.58/10,366,186.78
  6. Step 6: Final answer
    x = 8,900,365.59

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1.5x scale

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.