Home / 12,946,564.60-19,440,842.10-8,705,534.20

Finding the Fourth Proportional to 12,946,564.60, 19,440,842.10 and 8,705,534.20

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Solution

The fourth proportional to 12,946,564.60, 19,440,842.10 and 8,705,534.20 is: 13,072,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,564.60 : 19,440,842.10 = 8,705,534.20 : x
  2. Step 2: Convert to fraction form
    12,946,564.60/19,440,842.10 = 8,705,534.20/x
  3. Step 3: Cross multiply
    12,946,564.60x = 19,440,842.10 × 8,705,534.20
  4. Step 4: Simplify right side
    12,946,564.60x = 169,242,915,778,349.81
  5. Step 5: Solve for x
    x = 169,242,915,778,349.81/12,946,564.60
  6. Step 6: Final answer
    x = 13,072,418.90

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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.