Home / 31,638,809.60-47,458,214.40-7,704,281.60

Finding the Fourth Proportional to 31,638,809.60, 47,458,214.40 and 7,704,281.60

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Solution

The fourth proportional to 31,638,809.60, 47,458,214.40 and 7,704,281.60 is: 11,556,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,638,809.60 : 47,458,214.40 = 7,704,281.60 : x
  2. Step 2: Convert to fraction form
    31,638,809.60/47,458,214.40 = 7,704,281.60/x
  3. Step 3: Cross multiply
    31,638,809.60x = 47,458,214.40 × 7,704,281.60
  4. Step 4: Simplify right side
    31,638,809.60x = 365,631,447,970,775
  5. Step 5: Solve for x
    x = 365,631,447,970,775/31,638,809.60
  6. Step 6: Final answer
    x = 11,556,422.40

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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.