Home / 9,478,489.51-13,080,287.15-5,127,574.67

Finding the Fourth Proportional to 9,478,489.51, 13,080,287.15 and 5,127,574.67

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Solution

The fourth proportional to 9,478,489.51, 13,080,287.15 and 5,127,574.67 is: 7,076,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,489.51 : 13,080,287.15 = 5,127,574.67 : x
  2. Step 2: Convert to fraction form
    9,478,489.51/13,080,287.15 = 5,127,574.67/x
  3. Step 3: Cross multiply
    9,478,489.51x = 13,080,287.15 × 5,127,574.67
  4. Step 4: Simplify right side
    9,478,489.51x = 67,070,149,021,537.09
  5. Step 5: Solve for x
    x = 67,070,149,021,537.09/9,478,489.51
  6. Step 6: Final answer
    x = 7,076,037.69

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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.