Home / 13,684,475.59-18,884,626.36-7,405,002.97

Finding the Fourth Proportional to 13,684,475.59, 18,884,626.36 and 7,405,002.97

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Solution

The fourth proportional to 13,684,475.59, 18,884,626.36 and 7,405,002.97 is: 10,218,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684,475.59 : 18,884,626.36 = 7,405,002.97 : x
  2. Step 2: Convert to fraction form
    13,684,475.59/18,884,626.36 = 7,405,002.97/x
  3. Step 3: Cross multiply
    13,684,475.59x = 18,884,626.36 × 7,405,002.97
  4. Step 4: Simplify right side
    13,684,475.59x = 139,840,714,217,416.23
  5. Step 5: Solve for x
    x = 139,840,714,217,416.23/13,684,475.59
  6. Step 6: Final answer
    x = 10,218,931.18

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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.