Home / 19,688,759.40-29,533,139.10-12,753,454.35

Finding the Fourth Proportional to 19,688,759.40, 29,533,139.10 and 12,753,454.35

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Solution

The fourth proportional to 19,688,759.40, 29,533,139.10 and 12,753,454.35 is: 19,130,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688,759.40 : 29,533,139.10 = 12,753,454.35 : x
  2. Step 2: Convert to fraction form
    19,688,759.40/29,533,139.10 = 12,753,454.35/x
  3. Step 3: Cross multiply
    19,688,759.40x = 29,533,139.10 × 12,753,454.35
  4. Step 4: Simplify right side
    19,688,759.40x = 376,649,541,324,050.06
  5. Step 5: Solve for x
    x = 376,649,541,324,050.06/19,688,759.40
  6. Step 6: Final answer
    x = 19,130,181.53

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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.