Home / 15,881,321.40-23,821,982.10-9,834,703.80

Finding the Fourth Proportional to 15,881,321.40, 23,821,982.10 and 9,834,703.80

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Solution

The fourth proportional to 15,881,321.40, 23,821,982.10 and 9,834,703.80 is: 14,752,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881,321.40 : 23,821,982.10 = 9,834,703.80 : x
  2. Step 2: Convert to fraction form
    15,881,321.40/23,821,982.10 = 9,834,703.80/x
  3. Step 3: Cross multiply
    15,881,321.40x = 23,821,982.10 × 9,834,703.80
  4. Step 4: Simplify right side
    15,881,321.40x = 234,282,137,882,402
  5. Step 5: Solve for x
    x = 234,282,137,882,402/15,881,321.40
  6. Step 6: Final answer
    x = 14,752,055.70

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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.