Home / 10,642,003.40-15,963,005.10-10,054,137.80

Finding the Fourth Proportional to 10,642,003.40, 15,963,005.10 and 10,054,137.80

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Solution

The fourth proportional to 10,642,003.40, 15,963,005.10 and 10,054,137.80 is: 15,081,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642,003.40 : 15,963,005.10 = 10,054,137.80 : x
  2. Step 2: Convert to fraction form
    10,642,003.40/15,963,005.10 = 10,054,137.80/x
  3. Step 3: Cross multiply
    10,642,003.40x = 15,963,005.10 × 10,054,137.80
  4. Step 4: Simplify right side
    10,642,003.40x = 160,494,252,977,502.78
  5. Step 5: Solve for x
    x = 160,494,252,977,502.78/10,642,003.40
  6. Step 6: Final answer
    x = 15,081,206.70

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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.