Home / 14,287,261.66-19,716,568.05-7,761,020.38

Finding the Fourth Proportional to 14,287,261.66, 19,716,568.05 and 7,761,020.38

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Solution

The fourth proportional to 14,287,261.66, 19,716,568.05 and 7,761,020.38 is: 10,710,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287,261.66 : 19,716,568.05 = 7,761,020.38 : x
  2. Step 2: Convert to fraction form
    14,287,261.66/19,716,568.05 = 7,761,020.38/x
  3. Step 3: Cross multiply
    14,287,261.66x = 19,716,568.05 × 7,761,020.38
  4. Step 4: Simplify right side
    14,287,261.66x = 153,020,686,439,519.28
  5. Step 5: Solve for x
    x = 153,020,686,439,519.28/14,287,261.66
  6. Step 6: Final answer
    x = 10,710,287.95

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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.