Home / 12,110,946.81-18,168,234.63-3,910,849.03

Finding the Fourth Proportional to 12,110,946.81, 18,168,234.63 and 3,910,849.03

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Solution

The fourth proportional to 12,110,946.81, 18,168,234.63 and 3,910,849.03 is: 5,866,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110,946.81 : 18,168,234.63 = 3,910,849.03 : x
  2. Step 2: Convert to fraction form
    12,110,946.81/18,168,234.63 = 3,910,849.03/x
  3. Step 3: Cross multiply
    12,110,946.81x = 18,168,234.63 × 3,910,849.03
  4. Step 4: Simplify right side
    12,110,946.81x = 71,053,222,779,547.91
  5. Step 5: Solve for x
    x = 71,053,222,779,547.91/12,110,946.81
  6. Step 6: Final answer
    x = 5,866,859.45

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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.