Home / 14,155,487.21-19,534,386.60-7,960,532.01

Finding the Fourth Proportional to 14,155,487.21, 19,534,386.60 and 7,960,532.01

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Solution

The fourth proportional to 14,155,487.21, 19,534,386.60 and 7,960,532.01 is: 10,985,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155,487.21 : 19,534,386.60 = 7,960,532.01 : x
  2. Step 2: Convert to fraction form
    14,155,487.21/19,534,386.60 = 7,960,532.01/x
  3. Step 3: Cross multiply
    14,155,487.21x = 19,534,386.60 × 7,960,532.01
  4. Step 4: Simplify right side
    14,155,487.21x = 155,504,109,825,015.06
  5. Step 5: Solve for x
    x = 155,504,109,825,015.06/14,155,487.21
  6. Step 6: Final answer
    x = 10,985,429.71

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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.