Home / 19,165,401.60-28,748,102.40-12,362,956.80

Finding the Fourth Proportional to 19,165,401.60, 28,748,102.40 and 12,362,956.80

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Solution

The fourth proportional to 19,165,401.60, 28,748,102.40 and 12,362,956.80 is: 18,544,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165,401.60 : 28,748,102.40 = 12,362,956.80 : x
  2. Step 2: Convert to fraction form
    19,165,401.60/28,748,102.40 = 12,362,956.80/x
  3. Step 3: Cross multiply
    19,165,401.60x = 28,748,102.40 × 12,362,956.80
  4. Step 4: Simplify right side
    19,165,401.60x = 355,411,548,053,176.31
  5. Step 5: Solve for x
    x = 355,411,548,053,176.31/19,165,401.60
  6. Step 6: Final answer
    x = 18,544,435.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.