Home / 38,666,705.38-53,346,994.98-21,919,649.46

Finding the Fourth Proportional to 38,666,705.38, 53,346,994.98 and 21,919,649.46

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Solution

The fourth proportional to 38,666,705.38, 53,346,994.98 and 21,919,649.46 is: 30,241,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666,705.38 : 53,346,994.98 = 21,919,649.46 : x
  2. Step 2: Convert to fraction form
    38,666,705.38/53,346,994.98 = 21,919,649.46/x
  3. Step 3: Cross multiply
    38,666,705.38x = 53,346,994.98 × 21,919,649.46
  4. Step 4: Simplify right side
    38,666,705.38x = 1,169,347,429,423,729.75
  5. Step 5: Solve for x
    x = 1,169,347,429,423,729.75/38,666,705.38
  6. Step 6: Final answer
    x = 30,241,713.58

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1.5x scale

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.