Home / 19,963,111.80-29,955,035.70-9,325,543.80

Finding the Fourth Proportional to 19,963,111.80, 29,955,035.70 and 9,325,543.80

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Solution

The fourth proportional to 19,963,111.80, 29,955,035.70 and 9,325,543.80 is: 13,993,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963,111.80 : 29,955,035.70 = 9,325,543.80 : x
  2. Step 2: Convert to fraction form
    19,963,111.80/29,955,035.70 = 9,325,543.80/x
  3. Step 3: Cross multiply
    19,963,111.80x = 29,955,035.70 × 9,325,543.80
  4. Step 4: Simplify right side
    19,963,111.80x = 279,346,997,450,913.69
  5. Step 5: Solve for x
    x = 279,346,997,450,913.69/19,963,111.80
  6. Step 6: Final answer
    x = 13,993,158.99

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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.