Home / 30,534,006.30-45,801,009.45-21,446,365.20

Finding the Fourth Proportional to 30,534,006.30, 45,801,009.45 and 21,446,365.20

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Solution

The fourth proportional to 30,534,006.30, 45,801,009.45 and 21,446,365.20 is: 32,169,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,534,006.30 : 45,801,009.45 = 21,446,365.20 : x
  2. Step 2: Convert to fraction form
    30,534,006.30/45,801,009.45 = 21,446,365.20/x
  3. Step 3: Cross multiply
    30,534,006.30x = 45,801,009.45 × 21,446,365.20
  4. Step 4: Simplify right side
    30,534,006.30x = 982,265,175,193,351.12
  5. Step 5: Solve for x
    x = 982,265,175,193,351.12/30,534,006.30
  6. Step 6: Final answer
    x = 32,169,547.80

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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.