Home / 13,549,896.38-18,698,635.26-7,748,479.76

Finding the Fourth Proportional to 13,549,896.38, 18,698,635.26 and 7,748,479.76

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Solution

The fourth proportional to 13,549,896.38, 18,698,635.26 and 7,748,479.76 is: 10,692,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549,896.38 : 18,698,635.26 = 7,748,479.76 : x
  2. Step 2: Convert to fraction form
    13,549,896.38/18,698,635.26 = 7,748,479.76/x
  3. Step 3: Cross multiply
    13,549,896.38x = 18,698,635.26 × 7,748,479.76
  4. Step 4: Simplify right side
    13,549,896.38x = 144,885,996,758,239.19
  5. Step 5: Solve for x
    x = 144,885,996,758,239.19/13,549,896.38
  6. Step 6: Final answer
    x = 10,692,775.26

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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.