Home / 10,213,186.83-15,316,790.89-8,411,601.84

Finding the Fourth Proportional to 10,213,186.83, 15,316,790.89 and 8,411,601.84

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Solution

The fourth proportional to 10,213,186.83, 15,316,790.89 and 8,411,601.84 is: 12,614,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213,186.83 : 15,316,790.89 = 8,411,601.84 : x
  2. Step 2: Convert to fraction form
    10,213,186.83/15,316,790.89 = 8,411,601.84/x
  3. Step 3: Cross multiply
    10,213,186.83x = 15,316,790.89 × 8,411,601.84
  4. Step 4: Simplify right side
    10,213,186.83x = 128,838,746,433,219.23
  5. Step 5: Solve for x
    x = 128,838,746,433,219.23/10,213,186.83
  6. Step 6: Final answer
    x = 12,614,940.72

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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.