Home / 14,287,262.03-19,716,568.57-7,761,020.75

Finding the Fourth Proportional to 14,287,262.03, 19,716,568.57 and 7,761,020.75

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Solution

The fourth proportional to 14,287,262.03, 19,716,568.57 and 7,761,020.75 is: 10,710,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287,262.03 : 19,716,568.57 = 7,761,020.75 : x
  2. Step 2: Convert to fraction form
    14,287,262.03/19,716,568.57 = 7,761,020.75/x
  3. Step 3: Cross multiply
    14,287,262.03x = 19,716,568.57 × 7,761,020.75
  4. Step 4: Simplify right side
    14,287,262.03x = 153,020,697,849,560.53
  5. Step 5: Solve for x
    x = 153,020,697,849,560.53/14,287,262.03
  6. Step 6: Final answer
    x = 10,710,288.47

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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.