Home / 22,209,194.40-30,648,478.32-12,419,526.30

Finding the Fourth Proportional to 22,209,194.40, 30,648,478.32 and 12,419,526.30

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Solution

The fourth proportional to 22,209,194.40, 30,648,478.32 and 12,419,526.30 is: 17,138,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209,194.40 : 30,648,478.32 = 12,419,526.30 : x
  2. Step 2: Convert to fraction form
    22,209,194.40/30,648,478.32 = 12,419,526.30/x
  3. Step 3: Cross multiply
    22,209,194.40x = 30,648,478.32 × 12,419,526.30
  4. Step 4: Simplify right side
    22,209,194.40x = 380,639,582,550,219.81
  5. Step 5: Solve for x
    x = 380,639,582,550,219.81/22,209,194.40
  6. Step 6: Final answer
    x = 17,138,828.89

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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.