Home / 16,638,689.40-24,960,366.90-6,538,961.40

Finding the Fourth Proportional to 16,638,689.40, 24,960,366.90 and 6,538,961.40

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Solution

The fourth proportional to 16,638,689.40, 24,960,366.90 and 6,538,961.40 is: 9,809,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638,689.40 : 24,960,366.90 = 6,538,961.40 : x
  2. Step 2: Convert to fraction form
    16,638,689.40/24,960,366.90 = 6,538,961.40/x
  3. Step 3: Cross multiply
    16,638,689.40x = 24,960,366.90 × 6,538,961.40
  4. Step 4: Simplify right side
    16,638,689.40x = 163,214,875,688,937.66
  5. Step 5: Solve for x
    x = 163,214,875,688,937.66/16,638,689.40
  6. Step 6: Final answer
    x = 9,809,358.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.