Home / 13,771,723.20-20,610,345.60-12,637,982.40

Finding the Fourth Proportional to 13,771,723.20, 20,610,345.60 and 12,637,982.40

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Solution

The fourth proportional to 13,771,723.20, 20,610,345.60 and 12,637,982.40 is: 18,913,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,723.20 : 20,610,345.60 = 12,637,982.40 : x
  2. Step 2: Convert to fraction form
    13,771,723.20/20,610,345.60 = 12,637,982.40/x
  3. Step 3: Cross multiply
    13,771,723.20x = 20,610,345.60 × 12,637,982.40
  4. Step 4: Simplify right side
    13,771,723.20x = 260,473,184,950,717.47
  5. Step 5: Solve for x
    x = 260,473,184,950,717.47/13,771,723.20
  6. Step 6: Final answer
    x = 18,913,623.31

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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.