Home / 15,403,047.41-21,256,210.58-8,434,165.73

Finding the Fourth Proportional to 15,403,047.41, 21,256,210.58 and 8,434,165.73

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Solution

The fourth proportional to 15,403,047.41, 21,256,210.58 and 8,434,165.73 is: 11,639,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403,047.41 : 21,256,210.58 = 8,434,165.73 : x
  2. Step 2: Convert to fraction form
    15,403,047.41/21,256,210.58 = 8,434,165.73/x
  3. Step 3: Cross multiply
    15,403,047.41x = 21,256,210.58 × 8,434,165.73
  4. Step 4: Simplify right side
    15,403,047.41x = 179,278,402,675,047.53
  5. Step 5: Solve for x
    x = 179,278,402,675,047.53/15,403,047.41
  6. Step 6: Final answer
    x = 11,639,151.52

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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.