Home / 15,779,828.99-21,775,949.93-8,810,613.69

Finding the Fourth Proportional to 15,779,828.99, 21,775,949.93 and 8,810,613.69

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Solution

The fourth proportional to 15,779,828.99, 21,775,949.93 and 8,810,613.69 is: 12,158,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,828.99 : 21,775,949.93 = 8,810,613.69 : x
  2. Step 2: Convert to fraction form
    15,779,828.99/21,775,949.93 = 8,810,613.69/x
  3. Step 3: Cross multiply
    15,779,828.99x = 21,775,949.93 × 8,810,613.69
  4. Step 4: Simplify right side
    15,779,828.99x = 191,859,482,521,959.47
  5. Step 5: Solve for x
    x = 191,859,482,521,959.47/15,779,828.99
  6. Step 6: Final answer
    x = 12,158,527.36

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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.