Home / 12,638,246.74-17,441,275.29-7,410,528.05

Finding the Fourth Proportional to 12,638,246.74, 17,441,275.29 and 7,410,528.05

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Solution

The fourth proportional to 12,638,246.74, 17,441,275.29 and 7,410,528.05 is: 10,226,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,638,246.74 : 17,441,275.29 = 7,410,528.05 : x
  2. Step 2: Convert to fraction form
    12,638,246.74/17,441,275.29 = 7,410,528.05/x
  3. Step 3: Cross multiply
    12,638,246.74x = 17,441,275.29 × 7,410,528.05
  4. Step 4: Simplify right side
    12,638,246.74x = 129,249,059,747,428.20
  5. Step 5: Solve for x
    x = 129,249,059,747,428.20/12,638,246.74
  6. Step 6: Final answer
    x = 10,226,818.83

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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.