Home / 19,655,999.70-29,483,999.55-12,853,554.90

Finding the Fourth Proportional to 19,655,999.70, 29,483,999.55 and 12,853,554.90

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Solution

The fourth proportional to 19,655,999.70, 29,483,999.55 and 12,853,554.90 is: 19,280,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655,999.70 : 29,483,999.55 = 12,853,554.90 : x
  2. Step 2: Convert to fraction form
    19,655,999.70/29,483,999.55 = 12,853,554.90/x
  3. Step 3: Cross multiply
    19,655,999.70x = 29,483,999.55 × 12,853,554.90
  4. Step 4: Simplify right side
    19,655,999.70x = 378,974,206,887,500.31
  5. Step 5: Solve for x
    x = 378,974,206,887,500.31/19,655,999.70
  6. Step 6: Final answer
    x = 19,280,332.35

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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.