Home / 21,877,952.40-30,191,397.84-12,088,357.20

Finding the Fourth Proportional to 21,877,952.40, 30,191,397.84 and 12,088,357.20

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Solution

The fourth proportional to 21,877,952.40, 30,191,397.84 and 12,088,357.20 is: 16,681,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,877,952.40 : 30,191,397.84 = 12,088,357.20 : x
  2. Step 2: Convert to fraction form
    21,877,952.40/30,191,397.84 = 12,088,357.20/x
  3. Step 3: Cross multiply
    21,877,952.40x = 30,191,397.84 × 12,088,357.20
  4. Step 4: Simplify right side
    21,877,952.40x = 364,964,401,457,228.44
  5. Step 5: Solve for x
    x = 364,964,401,457,228.44/21,877,952.40
  6. Step 6: Final answer
    x = 16,681,835.43

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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.