Home / 9,639,642.46-13,302,842.32-5,288,649.70

Finding the Fourth Proportional to 9,639,642.46, 13,302,842.32 and 5,288,649.70

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Solution

The fourth proportional to 9,639,642.46, 13,302,842.32 and 5,288,649.70 is: 7,298,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639,642.46 : 13,302,842.32 = 5,288,649.70 : x
  2. Step 2: Convert to fraction form
    9,639,642.46/13,302,842.32 = 5,288,649.70/x
  3. Step 3: Cross multiply
    9,639,642.46x = 13,302,842.32 × 5,288,649.70
  4. Step 4: Simplify right side
    9,639,642.46x = 70,354,073,044,815.30
  5. Step 5: Solve for x
    x = 70,354,073,044,815.30/9,639,642.46
  6. Step 6: Final answer
    x = 7,298,411.05

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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.