Home / 22,229,774.91-30,680,299.67-12,808,762.32

Finding the Fourth Proportional to 22,229,774.91, 30,680,299.67 and 12,808,762.32

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Solution

The fourth proportional to 22,229,774.91, 30,680,299.67 and 12,808,762.32 is: 17,677,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229,774.91 : 30,680,299.67 = 12,808,762.32 : x
  2. Step 2: Convert to fraction form
    22,229,774.91/30,680,299.67 = 12,808,762.32/x
  3. Step 3: Cross multiply
    22,229,774.91x = 30,680,299.67 × 12,808,762.32
  4. Step 4: Simplify right side
    22,229,774.91x = 392,976,666,478,444.62
  5. Step 5: Solve for x
    x = 392,976,666,478,444.62/22,229,774.91
  6. Step 6: Final answer
    x = 17,677,941.77

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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.