Home / 9,976,997.80-14,928,128.70-7,105,004.20

Finding the Fourth Proportional to 9,976,997.80, 14,928,128.70 and 7,105,004.20

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Solution

The fourth proportional to 9,976,997.80, 14,928,128.70 and 7,105,004.20 is: 10,630,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976,997.80 : 14,928,128.70 = 7,105,004.20 : x
  2. Step 2: Convert to fraction form
    9,976,997.80/14,928,128.70 = 7,105,004.20/x
  3. Step 3: Cross multiply
    9,976,997.80x = 14,928,128.70 × 7,105,004.20
  4. Step 4: Simplify right side
    9,976,997.80x = 106,064,417,111,640.53
  5. Step 5: Solve for x
    x = 106,064,417,111,640.53/9,976,997.80
  6. Step 6: Final answer
    x = 10,630,895.11

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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.