Home / 14,130,047.70-21,200,601.15-5,155,506.90

Finding the Fourth Proportional to 14,130,047.70, 21,200,601.15 and 5,155,506.90

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Solution

The fourth proportional to 14,130,047.70, 21,200,601.15 and 5,155,506.90 is: 7,735,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130,047.70 : 21,200,601.15 = 5,155,506.90 : x
  2. Step 2: Convert to fraction form
    14,130,047.70/21,200,601.15 = 5,155,506.90/x
  3. Step 3: Cross multiply
    14,130,047.70x = 21,200,601.15 × 5,155,506.90
  4. Step 4: Simplify right side
    14,130,047.70x = 109,299,845,512,972.94
  5. Step 5: Solve for x
    x = 109,299,845,512,972.94/14,130,047.70
  6. Step 6: Final answer
    x = 7,735,277.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.