Home / 31,946,619.60-47,919,929.40-19,853,384.40

Finding the Fourth Proportional to 31,946,619.60, 47,919,929.40 and 19,853,384.40

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Solution

The fourth proportional to 31,946,619.60, 47,919,929.40 and 19,853,384.40 is: 29,780,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,946,619.60 : 47,919,929.40 = 19,853,384.40 : x
  2. Step 2: Convert to fraction form
    31,946,619.60/47,919,929.40 = 19,853,384.40/x
  3. Step 3: Cross multiply
    31,946,619.60x = 47,919,929.40 × 19,853,384.40
  4. Step 4: Simplify right side
    31,946,619.60x = 951,372,778,799,061.25
  5. Step 5: Solve for x
    x = 951,372,778,799,061.25/31,946,619.60
  6. Step 6: Final answer
    x = 29,780,076.60

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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.