Home / 13,459,188.57-18,573,585.53-7,347,617.07

Finding the Fourth Proportional to 13,459,188.57, 18,573,585.53 and 7,347,617.07

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Solution

The fourth proportional to 13,459,188.57, 18,573,585.53 and 7,347,617.07 is: 10,139,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,188.57 : 18,573,585.53 = 7,347,617.07 : x
  2. Step 2: Convert to fraction form
    13,459,188.57/18,573,585.53 = 7,347,617.07/x
  3. Step 3: Cross multiply
    13,459,188.57x = 18,573,585.53 × 7,347,617.07
  4. Step 4: Simplify right side
    13,459,188.57x = 136,471,594,091,333.02
  5. Step 5: Solve for x
    x = 136,471,594,091,333.02/13,459,188.57
  6. Step 6: Final answer
    x = 10,139,659.86

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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.