Home / 13,257,501.46-18,293,244.02-7,455,162.65

Finding the Fourth Proportional to 13,257,501.46, 18,293,244.02 and 7,455,162.65

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Solution

The fourth proportional to 13,257,501.46, 18,293,244.02 and 7,455,162.65 is: 10,286,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,501.46 : 18,293,244.02 = 7,455,162.65 : x
  2. Step 2: Convert to fraction form
    13,257,501.46/18,293,244.02 = 7,455,162.65/x
  3. Step 3: Cross multiply
    13,257,501.46x = 18,293,244.02 × 7,455,162.65
  4. Step 4: Simplify right side
    13,257,501.46x = 136,379,109,464,454.67
  5. Step 5: Solve for x
    x = 136,379,109,464,454.67/13,257,501.46
  6. Step 6: Final answer
    x = 10,286,939.05

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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.