Home / 14,637,812.40-20,207,319.48-9,745,930.80

Finding the Fourth Proportional to 14,637,812.40, 20,207,319.48 and 9,745,930.80

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Solution

The fourth proportional to 14,637,812.40, 20,207,319.48 and 9,745,930.80 is: 13,454,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637,812.40 : 20,207,319.48 = 9,745,930.80 : x
  2. Step 2: Convert to fraction form
    14,637,812.40/20,207,319.48 = 9,745,930.80/x
  3. Step 3: Cross multiply
    14,637,812.40x = 20,207,319.48 × 9,745,930.80
  4. Step 4: Simplify right side
    14,637,812.40x = 196,939,137,305,572
  5. Step 5: Solve for x
    x = 196,939,137,305,572/14,637,812.40
  6. Step 6: Final answer
    x = 13,454,137.27

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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.