Home / 38,984,756.16-53,799,389.04-21,581,392

Finding the Fourth Proportional to 38,984,756.16, 53,799,389.04 and 21,581,392

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Solution

The fourth proportional to 38,984,756.16, 53,799,389.04 and 21,581,392 is: 29,782,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984,756.16 : 53,799,389.04 = 21,581,392 : x
  2. Step 2: Convert to fraction form
    38,984,756.16/53,799,389.04 = 21,581,392/x
  3. Step 3: Cross multiply
    38,984,756.16x = 53,799,389.04 × 21,581,392
  4. Step 4: Simplify right side
    38,984,756.16x = 1,161,065,704,232,743.75
  5. Step 5: Solve for x
    x = 1,161,065,704,232,743.75/38,984,756.16
  6. Step 6: Final answer
    x = 29,782,556.53

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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.