Home / 19,973,856.80-29,960,785.20-12,303,610.40

Finding the Fourth Proportional to 19,973,856.80, 29,960,785.20 and 12,303,610.40

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Solution

The fourth proportional to 19,973,856.80, 29,960,785.20 and 12,303,610.40 is: 18,455,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973,856.80 : 29,960,785.20 = 12,303,610.40 : x
  2. Step 2: Convert to fraction form
    19,973,856.80/29,960,785.20 = 12,303,610.40/x
  3. Step 3: Cross multiply
    19,973,856.80x = 29,960,785.20 × 12,303,610.40
  4. Step 4: Simplify right side
    19,973,856.80x = 368,625,828,378,886.06
  5. Step 5: Solve for x
    x = 368,625,828,378,886.06/19,973,856.80
  6. Step 6: Final answer
    x = 18,455,415.60

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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.