Home / 13,578,869.25-18,738,269.15-7,698,899.00

Finding the Fourth Proportional to 13,578,869.25, 18,738,269.15 and 7,698,899.00

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Solution

The fourth proportional to 13,578,869.25, 18,738,269.15 and 7,698,899.00 is: 10,624,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,869.25 : 18,738,269.15 = 7,698,899.00 : x
  2. Step 2: Convert to fraction form
    13,578,869.25/18,738,269.15 = 7,698,899.00/x
  3. Step 3: Cross multiply
    13,578,869.25x = 18,738,269.15 × 7,698,899.00
  4. Step 4: Simplify right side
    13,578,869.25x = 144,264,041,552,485.12
  5. Step 5: Solve for x
    x = 144,264,041,552,485.12/13,578,869.25
  6. Step 6: Final answer
    x = 10,624,157.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.