Home / 11,866,140-17,788,654.08-4,291,421.76

Finding the Fourth Proportional to 11,866,140, 17,788,654.08 and 4,291,421.76

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Solution

The fourth proportional to 11,866,140, 17,788,654.08 and 4,291,421.76 is: 6,433,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866,140 : 17,788,654.08 = 4,291,421.76 : x
  2. Step 2: Convert to fraction form
    11,866,140/17,788,654.08 = 4,291,421.76/x
  3. Step 3: Cross multiply
    11,866,140x = 17,788,654.08 × 4,291,421.76
  4. Step 4: Simplify right side
    11,866,140x = 76,338,617,200,024.77
  5. Step 5: Solve for x
    x = 76,338,617,200,024.77/11,866,140
  6. Step 6: Final answer
    x = 6,433,315.06

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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.