Home / 20,118,903.40-30,182,291.70-8,604,348.40

Finding the Fourth Proportional to 20,118,903.40, 30,182,291.70 and 8,604,348.40

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Solution

The fourth proportional to 20,118,903.40, 30,182,291.70 and 8,604,348.40 is: 12,908,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,903.40 : 30,182,291.70 = 8,604,348.40 : x
  2. Step 2: Convert to fraction form
    20,118,903.40/30,182,291.70 = 8,604,348.40/x
  3. Step 3: Cross multiply
    20,118,903.40x = 30,182,291.70 × 8,604,348.40
  4. Step 4: Simplify right side
    20,118,903.40x = 259,698,953,297,228.28
  5. Step 5: Solve for x
    x = 259,698,953,297,228.28/20,118,903.40
  6. Step 6: Final answer
    x = 12,908,206.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.