Home / 14,287,051.79-19,716,116.15-7,760,686.13

Finding the Fourth Proportional to 14,287,051.79, 19,716,116.15 and 7,760,686.13

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Solution

The fourth proportional to 14,287,051.79, 19,716,116.15 and 7,760,686.13 is: 10,709,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287,051.79 : 19,716,116.15 = 7,760,686.13 : x
  2. Step 2: Convert to fraction form
    14,287,051.79/19,716,116.15 = 7,760,686.13/x
  3. Step 3: Cross multiply
    14,287,051.79x = 19,716,116.15 × 7,760,686.13
  4. Step 4: Simplify right side
    14,287,051.79x = 153,010,589,005,390
  5. Step 5: Solve for x
    x = 153,010,589,005,390/14,287,051.79
  6. Step 6: Final answer
    x = 10,709,738.53

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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.