Home / 14,638,047.40-20,207,643.78-9,746,165.80

Finding the Fourth Proportional to 14,638,047.40, 20,207,643.78 and 9,746,165.80

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Solution

The fourth proportional to 14,638,047.40, 20,207,643.78 and 9,746,165.80 is: 13,454,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638,047.40 : 20,207,643.78 = 9,746,165.80 : x
  2. Step 2: Convert to fraction form
    14,638,047.40/20,207,643.78 = 9,746,165.80/x
  3. Step 3: Cross multiply
    14,638,047.40x = 20,207,643.78 × 9,746,165.80
  4. Step 4: Simplify right side
    14,638,047.40x = 196,947,046,707,218.75
  5. Step 5: Solve for x
    x = 196,947,046,707,218.75/14,638,047.40
  6. Step 6: Final answer
    x = 13,454,461.60

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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.