Home / 10,326,515.60-15,489,773.40-9,934,605.20

Finding the Fourth Proportional to 10,326,515.60, 15,489,773.40 and 9,934,605.20

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Solution

The fourth proportional to 10,326,515.60, 15,489,773.40 and 9,934,605.20 is: 14,901,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326,515.60 : 15,489,773.40 = 9,934,605.20 : x
  2. Step 2: Convert to fraction form
    10,326,515.60/15,489,773.40 = 9,934,605.20/x
  3. Step 3: Cross multiply
    10,326,515.60x = 15,489,773.40 × 9,934,605.20
  4. Step 4: Simplify right side
    10,326,515.60x = 153,884,783,366,461.69
  5. Step 5: Solve for x
    x = 153,884,783,366,461.69/10,326,515.60
  6. Step 6: Final answer
    x = 14,901,907.80

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1.5x scale

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.