Home / 31,954,500.20-47,931,750.30-19,168,423.40

Finding the Fourth Proportional to 31,954,500.20, 47,931,750.30 and 19,168,423.40

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Solution

The fourth proportional to 31,954,500.20, 47,931,750.30 and 19,168,423.40 is: 28,752,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954,500.20 : 47,931,750.30 = 19,168,423.40 : x
  2. Step 2: Convert to fraction form
    31,954,500.20/47,931,750.30 = 19,168,423.40/x
  3. Step 3: Cross multiply
    31,954,500.20x = 47,931,750.30 × 19,168,423.40
  4. Step 4: Simplify right side
    31,954,500.20x = 918,776,084,053,476.88
  5. Step 5: Solve for x
    x = 918,776,084,053,476.88/31,954,500.20
  6. Step 6: Final answer
    x = 28,752,635.10

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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.