Home / 13,086,798.36-18,059,371.53-7,580,280.75

Finding the Fourth Proportional to 13,086,798.36, 18,059,371.53 and 7,580,280.75

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Solution

The fourth proportional to 13,086,798.36, 18,059,371.53 and 7,580,280.75 is: 10,460,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086,798.36 : 18,059,371.53 = 7,580,280.75 : x
  2. Step 2: Convert to fraction form
    13,086,798.36/18,059,371.53 = 7,580,280.75/x
  3. Step 3: Cross multiply
    13,086,798.36x = 18,059,371.53 × 7,580,280.75
  4. Step 4: Simplify right side
    13,086,798.36x = 136,895,106,365,957.06
  5. Step 5: Solve for x
    x = 136,895,106,365,957.06/13,086,798.36
  6. Step 6: Final answer
    x = 10,460,549.83

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1.5x scale

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.