Home / 14,520,681.76-20,037,780.06-7,993,036.36

Finding the Fourth Proportional to 14,520,681.76, 20,037,780.06 and 7,993,036.36

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Solution

The fourth proportional to 14,520,681.76, 20,037,780.06 and 7,993,036.36 is: 11,029,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,681.76 : 20,037,780.06 = 7,993,036.36 : x
  2. Step 2: Convert to fraction form
    14,520,681.76/20,037,780.06 = 7,993,036.36/x
  3. Step 3: Cross multiply
    14,520,681.76x = 20,037,780.06 × 7,993,036.36
  4. Step 4: Simplify right side
    14,520,681.76x = 160,162,704,593,262.97
  5. Step 5: Solve for x
    x = 160,162,704,593,262.97/14,520,681.76
  6. Step 6: Final answer
    x = 11,029,971.40

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1.5x scale

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.