Home / 20,868,000.70-31,302,001.05-14,821,383.10

Finding the Fourth Proportional to 20,868,000.70, 31,302,001.05 and 14,821,383.10

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Solution

The fourth proportional to 20,868,000.70, 31,302,001.05 and 14,821,383.10 is: 22,232,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868,000.70 : 31,302,001.05 = 14,821,383.10 : x
  2. Step 2: Convert to fraction form
    20,868,000.70/31,302,001.05 = 14,821,383.10/x
  3. Step 3: Cross multiply
    20,868,000.70x = 31,302,001.05 × 14,821,383.10
  4. Step 4: Simplify right side
    20,868,000.70x = 463,938,949,358,652.25
  5. Step 5: Solve for x
    x = 463,938,949,358,652.25/20,868,000.70
  6. Step 6: Final answer
    x = 22,232,074.65

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1.5x scale

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.