Home / 14,249,719.40-21,374,579.10-12,806,493.80

Finding the Fourth Proportional to 14,249,719.40, 21,374,579.10 and 12,806,493.80

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Solution

The fourth proportional to 14,249,719.40, 21,374,579.10 and 12,806,493.80 is: 19,209,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249,719.40 : 21,374,579.10 = 12,806,493.80 : x
  2. Step 2: Convert to fraction form
    14,249,719.40/21,374,579.10 = 12,806,493.80/x
  3. Step 3: Cross multiply
    14,249,719.40x = 21,374,579.10 × 12,806,493.80
  4. Step 4: Simplify right side
    14,249,719.40x = 273,733,414,721,759.62
  5. Step 5: Solve for x
    x = 273,733,414,721,759.62/14,249,719.40
  6. Step 6: Final answer
    x = 19,209,740.70

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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.