Home / 14,258,972.80-21,391,569.60-4,160,771.20

Finding the Fourth Proportional to 14,258,972.80, 21,391,569.60 and 4,160,771.20

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Solution

The fourth proportional to 14,258,972.80, 21,391,569.60 and 4,160,771.20 is: 6,242,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,972.80 : 21,391,569.60 = 4,160,771.20 : x
  2. Step 2: Convert to fraction form
    14,258,972.80/21,391,569.60 = 4,160,771.20/x
  3. Step 3: Cross multiply
    14,258,972.80x = 21,391,569.60 × 4,160,771.20
  4. Step 4: Simplify right side
    14,258,972.80x = 89,005,426,714,475.53
  5. Step 5: Solve for x
    x = 89,005,426,714,475.53/14,258,972.80
  6. Step 6: Final answer
    x = 6,242,064.42

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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.