Home / 13,459,189.57-18,573,586.91-7,347,618.07

Finding the Fourth Proportional to 13,459,189.57, 18,573,586.91 and 7,347,618.07

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Solution

The fourth proportional to 13,459,189.57, 18,573,586.91 and 7,347,618.07 is: 10,139,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,189.57 : 18,573,586.91 = 7,347,618.07 : x
  2. Step 2: Convert to fraction form
    13,459,189.57/18,573,586.91 = 7,347,618.07/x
  3. Step 3: Cross multiply
    13,459,189.57x = 18,573,586.91 × 7,347,618.07
  4. Step 4: Simplify right side
    13,459,189.57x = 136,471,622,804,631.47
  5. Step 5: Solve for x
    x = 136,471,622,804,631.47/13,459,189.57
  6. Step 6: Final answer
    x = 10,139,661.24

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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.