Home / 31,453,419.60-47,180,129.40-10,178,283.60

Finding the Fourth Proportional to 31,453,419.60, 47,180,129.40 and 10,178,283.60

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Solution

The fourth proportional to 31,453,419.60, 47,180,129.40 and 10,178,283.60 is: 15,267,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453,419.60 : 47,180,129.40 = 10,178,283.60 : x
  2. Step 2: Convert to fraction form
    31,453,419.60/47,180,129.40 = 10,178,283.60/x
  3. Step 3: Cross multiply
    31,453,419.60x = 47,180,129.40 × 10,178,283.60
  4. Step 4: Simplify right side
    31,453,419.60x = 480,212,737,317,897.81
  5. Step 5: Solve for x
    x = 480,212,737,317,897.81/31,453,419.60
  6. Step 6: Final answer
    x = 15,267,425.40

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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.