Home / 19,401,802.40-29,102,703.60-5,755,440.80

Finding the Fourth Proportional to 19,401,802.40, 29,102,703.60 and 5,755,440.80

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Solution

The fourth proportional to 19,401,802.40, 29,102,703.60 and 5,755,440.80 is: 8,633,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401,802.40 : 29,102,703.60 = 5,755,440.80 : x
  2. Step 2: Convert to fraction form
    19,401,802.40/29,102,703.60 = 5,755,440.80/x
  3. Step 3: Cross multiply
    19,401,802.40x = 29,102,703.60 × 5,755,440.80
  4. Step 4: Simplify right side
    19,401,802.40x = 167,498,887,689,746.88
  5. Step 5: Solve for x
    x = 167,498,887,689,746.88/19,401,802.40
  6. Step 6: Final answer
    x = 8,633,161.20

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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.