Home / 14,638,068.40-20,207,672.76-9,746,186.80

Finding the Fourth Proportional to 14,638,068.40, 20,207,672.76 and 9,746,186.80

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Solution

The fourth proportional to 14,638,068.40, 20,207,672.76 and 9,746,186.80 is: 13,454,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638,068.40 : 20,207,672.76 = 9,746,186.80 : x
  2. Step 2: Convert to fraction form
    14,638,068.40/20,207,672.76 = 9,746,186.80/x
  3. Step 3: Cross multiply
    14,638,068.40x = 20,207,672.76 × 9,746,186.80
  4. Step 4: Simplify right side
    14,638,068.40x = 196,947,753,512,231.59
  5. Step 5: Solve for x
    x = 196,947,753,512,231.59/14,638,068.40
  6. Step 6: Final answer
    x = 13,454,490.59

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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.