Home / 22,247,280.26-30,685,386.17-20,417,636.42

Finding the Fourth Proportional to 22,247,280.26, 30,685,386.17 and 20,417,636.42

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Solution

The fourth proportional to 22,247,280.26, 30,685,386.17 and 20,417,636.42 is: 28,161,782.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247,280.26 : 30,685,386.17 = 20,417,636.42 : x
  2. Step 2: Convert to fraction form
    22,247,280.26/30,685,386.17 = 20,417,636.42/x
  3. Step 3: Cross multiply
    22,247,280.26x = 30,685,386.17 × 20,417,636.42
  4. Step 4: Simplify right side
    22,247,280.26x = 626,523,058,226,356.38
  5. Step 5: Solve for x
    x = 626,523,058,226,356.38/22,247,280.26
  6. Step 6: Final answer
    x = 28,161,782.07

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Double scale
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1.5x scale

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.