Home / 19,655,999.40-29,483,999.10-12,499,260.60

Finding the Fourth Proportional to 19,655,999.40, 29,483,999.10 and 12,499,260.60

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Solution

The fourth proportional to 19,655,999.40, 29,483,999.10 and 12,499,260.60 is: 18,748,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655,999.40 : 29,483,999.10 = 12,499,260.60 : x
  2. Step 2: Convert to fraction form
    19,655,999.40/29,483,999.10 = 12,499,260.60/x
  3. Step 3: Cross multiply
    19,655,999.40x = 29,483,999.10 × 12,499,260.60
  4. Step 4: Simplify right side
    19,655,999.40x = 368,528,188,281,065.44
  5. Step 5: Solve for x
    x = 368,528,188,281,065.44/19,655,999.40
  6. Step 6: Final answer
    x = 18,748,890.90

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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.