Home / 19,860,676.40-29,819,008.20-12,302,404.40

Finding the Fourth Proportional to 19,860,676.40, 29,819,008.20 and 12,302,404.40

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Solution

The fourth proportional to 19,860,676.40, 29,819,008.20 and 12,302,404.40 is: 18,470,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860,676.40 : 29,819,008.20 = 12,302,404.40 : x
  2. Step 2: Convert to fraction form
    19,860,676.40/29,819,008.20 = 12,302,404.40/x
  3. Step 3: Cross multiply
    19,860,676.40x = 29,819,008.20 × 12,302,404.40
  4. Step 4: Simplify right side
    19,860,676.40x = 366,845,497,683,316.06
  5. Step 5: Solve for x
    x = 366,845,497,683,316.06/19,860,676.40
  6. Step 6: Final answer
    x = 18,470,946.82

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1.5x scale

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.