Home / 14,328,145.61-19,772,756.70-7,801,759.45

Finding the Fourth Proportional to 14,328,145.61, 19,772,756.70 and 7,801,759.45

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Solution

The fourth proportional to 14,328,145.61, 19,772,756.70 and 7,801,759.45 is: 10,766,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328,145.61 : 19,772,756.70 = 7,801,759.45 : x
  2. Step 2: Convert to fraction form
    14,328,145.61/19,772,756.70 = 7,801,759.45/x
  3. Step 3: Cross multiply
    14,328,145.61x = 19,772,756.70 × 7,801,759.45
  4. Step 4: Simplify right side
    14,328,145.61x = 154,262,291,456,280.22
  5. Step 5: Solve for x
    x = 154,262,291,456,280.22/14,328,145.61
  6. Step 6: Final answer
    x = 10,766,382.17

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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.