Home / 12,356,503.40-18,534,755.10-10,490,263.40

Finding the Fourth Proportional to 12,356,503.40, 18,534,755.10 and 10,490,263.40

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Solution

The fourth proportional to 12,356,503.40, 18,534,755.10 and 10,490,263.40 is: 15,735,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,503.40 : 18,534,755.10 = 10,490,263.40 : x
  2. Step 2: Convert to fraction form
    12,356,503.40/18,534,755.10 = 10,490,263.40/x
  3. Step 3: Cross multiply
    12,356,503.40x = 18,534,755.10 × 10,490,263.40
  4. Step 4: Simplify right side
    12,356,503.40x = 194,434,463,053,493.38
  5. Step 5: Solve for x
    x = 194,434,463,053,493.38/12,356,503.40
  6. Step 6: Final answer
    x = 15,735,395.10

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Similar ratio
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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.