Home / 13,035,703.80-19,553,555.70-7,989,857.40

Finding the Fourth Proportional to 13,035,703.80, 19,553,555.70 and 7,989,857.40

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Solution

The fourth proportional to 13,035,703.80, 19,553,555.70 and 7,989,857.40 is: 11,984,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035,703.80 : 19,553,555.70 = 7,989,857.40 : x
  2. Step 2: Convert to fraction form
    13,035,703.80/19,553,555.70 = 7,989,857.40/x
  3. Step 3: Cross multiply
    13,035,703.80x = 19,553,555.70 × 7,989,857.40
  4. Step 4: Simplify right side
    13,035,703.80x = 156,230,121,705,957.19
  5. Step 5: Solve for x
    x = 156,230,121,705,957.19/13,035,703.80
  6. Step 6: Final answer
    x = 11,984,786.10

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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.