Home / 13,349,162.80-18,422,207.48-7,548,812.72

Finding the Fourth Proportional to 13,349,162.80, 18,422,207.48 and 7,548,812.72

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Solution

The fourth proportional to 13,349,162.80, 18,422,207.48 and 7,548,812.72 is: 10,417,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,162.80 : 18,422,207.48 = 7,548,812.72 : x
  2. Step 2: Convert to fraction form
    13,349,162.80/18,422,207.48 = 7,548,812.72/x
  3. Step 3: Cross multiply
    13,349,162.80x = 18,422,207.48 × 7,548,812.72
  4. Step 4: Simplify right side
    13,349,162.80x = 139,065,794,155,503.14
  5. Step 5: Solve for x
    x = 139,065,794,155,503.14/13,349,162.80
  6. Step 6: Final answer
    x = 10,417,566.72

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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.