Home / 12,249,729.40-18,374,594.10-8,596,564.60

Finding the Fourth Proportional to 12,249,729.40, 18,374,594.10 and 8,596,564.60

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Solution

The fourth proportional to 12,249,729.40, 18,374,594.10 and 8,596,564.60 is: 12,894,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,729.40 : 18,374,594.10 = 8,596,564.60 : x
  2. Step 2: Convert to fraction form
    12,249,729.40/18,374,594.10 = 8,596,564.60/x
  3. Step 3: Cross multiply
    12,249,729.40x = 18,374,594.10 × 8,596,564.60
  4. Step 4: Simplify right side
    12,249,729.40x = 157,958,385,179,428.88
  5. Step 5: Solve for x
    x = 157,958,385,179,428.88/12,249,729.40
  6. Step 6: Final answer
    x = 12,894,846.90

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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.