Home / 30,296,722.20-45,460,829.70-13,259,117.40

Finding the Fourth Proportional to 30,296,722.20, 45,460,829.70 and 13,259,117.40

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Solution

The fourth proportional to 30,296,722.20, 45,460,829.70 and 13,259,117.40 is: 19,895,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296,722.20 : 45,460,829.70 = 13,259,117.40 : x
  2. Step 2: Convert to fraction form
    30,296,722.20/45,460,829.70 = 13,259,117.40/x
  3. Step 3: Cross multiply
    30,296,722.20x = 45,460,829.70 × 13,259,117.40
  4. Step 4: Simplify right side
    30,296,722.20x = 602,770,478,093,706.88
  5. Step 5: Solve for x
    x = 602,770,478,093,706.88/30,296,722.20
  6. Step 6: Final answer
    x = 19,895,567.39

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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.