Home / 22,247,281.76-30,685,388.24-20,417,637.92

Finding the Fourth Proportional to 22,247,281.76, 30,685,388.24 and 20,417,637.92

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Solution

The fourth proportional to 22,247,281.76, 30,685,388.24 and 20,417,637.92 is: 28,161,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247,281.76 : 30,685,388.24 = 20,417,637.92 : x
  2. Step 2: Convert to fraction form
    22,247,281.76/30,685,388.24 = 20,417,637.92/x
  3. Step 3: Cross multiply
    22,247,281.76x = 30,685,388.24 × 20,417,637.92
  4. Step 4: Simplify right side
    22,247,281.76x = 626,523,146,518,946.12
  5. Step 5: Solve for x
    x = 626,523,146,518,946.12/22,247,281.76
  6. Step 6: Final answer
    x = 28,161,784.14

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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.