Home / 10,689,307.60-16,032,406.20-3,115,483.60

Finding the Fourth Proportional to 10,689,307.60, 16,032,406.20 and 3,115,483.60

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Solution

The fourth proportional to 10,689,307.60, 16,032,406.20 and 3,115,483.60 is: 4,672,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689,307.60 : 16,032,406.20 = 3,115,483.60 : x
  2. Step 2: Convert to fraction form
    10,689,307.60/16,032,406.20 = 3,115,483.60/x
  3. Step 3: Cross multiply
    10,689,307.60x = 16,032,406.20 × 3,115,483.60
  4. Step 4: Simplify right side
    10,689,307.60x = 49,948,698,584,638.32
  5. Step 5: Solve for x
    x = 49,948,698,584,638.32/10,689,307.60
  6. Step 6: Final answer
    x = 4,672,772.12

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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.