Home / 14,638,046.40-20,207,642.40-9,746,164.80

Finding the Fourth Proportional to 14,638,046.40, 20,207,642.40 and 9,746,164.80

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Solution

The fourth proportional to 14,638,046.40, 20,207,642.40 and 9,746,164.80 is: 13,454,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638,046.40 : 20,207,642.40 = 9,746,164.80 : x
  2. Step 2: Convert to fraction form
    14,638,046.40/20,207,642.40 = 9,746,164.80/x
  3. Step 3: Cross multiply
    14,638,046.40x = 20,207,642.40 × 9,746,164.80
  4. Step 4: Simplify right side
    14,638,046.40x = 196,947,013,049,867.53
  5. Step 5: Solve for x
    x = 196,947,013,049,867.53/14,638,046.40
  6. Step 6: Final answer
    x = 13,454,460.22

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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.