Home / 12,128,510.40-18,180,518.40-6,053,899.20

Finding the Fourth Proportional to 12,128,510.40, 18,180,518.40 and 6,053,899.20

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Solution

The fourth proportional to 12,128,510.40, 18,180,518.40 and 6,053,899.20 is: 9,074,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,510.40 : 18,180,518.40 = 6,053,899.20 : x
  2. Step 2: Convert to fraction form
    12,128,510.40/18,180,518.40 = 6,053,899.20/x
  3. Step 3: Cross multiply
    12,128,510.40x = 18,180,518.40 × 6,053,899.20
  4. Step 4: Simplify right side
    12,128,510.40x = 110,063,025,797,345.28
  5. Step 5: Solve for x
    x = 110,063,025,797,345.28/12,128,510.40
  6. Step 6: Final answer
    x = 9,074,735.66

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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.