Home / 12,923,210.16-17,834,151.78-7,122,200.76

Finding the Fourth Proportional to 12,923,210.16, 17,834,151.78 and 7,122,200.76

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Solution

The fourth proportional to 12,923,210.16, 17,834,151.78 and 7,122,200.76 is: 9,828,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,210.16 : 17,834,151.78 = 7,122,200.76 : x
  2. Step 2: Convert to fraction form
    12,923,210.16/17,834,151.78 = 7,122,200.76/x
  3. Step 3: Cross multiply
    12,923,210.16x = 17,834,151.78 × 7,122,200.76
  4. Step 4: Simplify right side
    12,923,210.16x = 127,018,409,361,471.36
  5. Step 5: Solve for x
    x = 127,018,409,361,471.36/12,923,210.16
  6. Step 6: Final answer
    x = 9,828,704.15

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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.