Home / 21,308,605.60-31,962,908.40-9,341,341.60

Finding the Fourth Proportional to 21,308,605.60, 31,962,908.40 and 9,341,341.60

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Solution

The fourth proportional to 21,308,605.60, 31,962,908.40 and 9,341,341.60 is: 14,012,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,605.60 : 31,962,908.40 = 9,341,341.60 : x
  2. Step 2: Convert to fraction form
    21,308,605.60/31,962,908.40 = 9,341,341.60/x
  3. Step 3: Cross multiply
    21,308,605.60x = 31,962,908.40 × 9,341,341.60
  4. Step 4: Simplify right side
    21,308,605.60x = 298,576,445,893,909.44
  5. Step 5: Solve for x
    x = 298,576,445,893,909.44/21,308,605.60
  6. Step 6: Final answer
    x = 14,012,012.40

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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.