Home / 38,179,964-52,688,358.96-21,010,556

Finding the Fourth Proportional to 38,179,964, 52,688,358.96 and 21,010,556

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Solution

The fourth proportional to 38,179,964, 52,688,358.96 and 21,010,556 is: 28,994,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179,964 : 52,688,358.96 = 21,010,556 : x
  2. Step 2: Convert to fraction form
    38,179,964/52,688,358.96 = 21,010,556/x
  3. Step 3: Cross multiply
    38,179,964x = 52,688,358.96 × 21,010,556
  4. Step 4: Simplify right side
    38,179,964x = 1,107,011,716,477,181.75
  5. Step 5: Solve for x
    x = 1,107,011,716,477,181.75/38,179,964
  6. Step 6: Final answer
    x = 28,994,572.03

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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.