Home / 20,736,000.10-31,104,000.15-18,081,792.10

Finding the Fourth Proportional to 20,736,000.10, 31,104,000.15 and 18,081,792.10

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Solution

The fourth proportional to 20,736,000.10, 31,104,000.15 and 18,081,792.10 is: 27,122,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,000.10 : 31,104,000.15 = 18,081,792.10 : x
  2. Step 2: Convert to fraction form
    20,736,000.10/31,104,000.15 = 18,081,792.10/x
  3. Step 3: Cross multiply
    20,736,000.10x = 31,104,000.15 × 18,081,792.10
  4. Step 4: Simplify right side
    20,736,000.10x = 562,416,064,190,668.81
  5. Step 5: Solve for x
    x = 562,416,064,190,668.81/20,736,000.10
  6. Step 6: Final answer
    x = 27,122,688.15

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1.5x scale

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.