Home / 13,257,429.46-18,303,657.86-9,078,107.29

Finding the Fourth Proportional to 13,257,429.46, 18,303,657.86 and 9,078,107.29

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Solution

The fourth proportional to 13,257,429.46, 18,303,657.86 and 9,078,107.29 is: 12,533,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,429.46 : 18,303,657.86 = 9,078,107.29 : x
  2. Step 2: Convert to fraction form
    13,257,429.46/18,303,657.86 = 9,078,107.29/x
  3. Step 3: Cross multiply
    13,257,429.46x = 18,303,657.86 × 9,078,107.29
  4. Step 4: Simplify right side
    13,257,429.46x = 166,162,569,852,531.78
  5. Step 5: Solve for x
    x = 166,162,569,852,531.78/13,257,429.46
  6. Step 6: Final answer
    x = 12,533,543.58

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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.