Home / 39,327,953.60-54,271,387.58-21,686,846.70

Finding the Fourth Proportional to 39,327,953.60, 54,271,387.58 and 21,686,846.70

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Solution

The fourth proportional to 39,327,953.60, 54,271,387.58 and 21,686,846.70 is: 29,927,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,327,953.60 : 54,271,387.58 = 21,686,846.70 : x
  2. Step 2: Convert to fraction form
    39,327,953.60/54,271,387.58 = 21,686,846.70/x
  3. Step 3: Cross multiply
    39,327,953.60x = 54,271,387.58 × 21,686,846.70
  4. Step 4: Simplify right side
    39,327,953.60x = 1,176,975,262,643,744
  5. Step 5: Solve for x
    x = 1,176,975,262,643,744/39,327,953.60
  6. Step 6: Final answer
    x = 29,927,193.13

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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.