Home / 21,920,873.40-32,881,310.10-10,562,470.20

Finding the Fourth Proportional to 21,920,873.40, 32,881,310.10 and 10,562,470.20

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Solution

The fourth proportional to 21,920,873.40, 32,881,310.10 and 10,562,470.20 is: 15,843,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,920,873.40 : 32,881,310.10 = 10,562,470.20 : x
  2. Step 2: Convert to fraction form
    21,920,873.40/32,881,310.10 = 10,562,470.20/x
  3. Step 3: Cross multiply
    21,920,873.40x = 32,881,310.10 × 10,562,470.20
  4. Step 4: Simplify right side
    21,920,873.40x = 347,307,858,068,209
  5. Step 5: Solve for x
    x = 347,307,858,068,209/21,920,873.40
  6. Step 6: Final answer
    x = 15,843,705.30

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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.