Home / 13,402,675,939.60-20,104,013,909.40-12,117,013,872.40

Finding the Fourth Proportional to 13,402,675,939.60, 20,104,013,909.40 and 12,117,013,872.40

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Solution

The fourth proportional to 13,402,675,939.60, 20,104,013,909.40 and 12,117,013,872.40 is: 18,175,520,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402,675,939.60 : 20,104,013,909.40 = 12,117,013,872.40 : x
  2. Step 2: Convert to fraction form
    13,402,675,939.60/20,104,013,909.40 = 12,117,013,872.40/x
  3. Step 3: Cross multiply
    13,402,675,939.60x = 20,104,013,909.40 × 12,117,013,872.40
  4. Step 4: Simplify right side
    13,402,675,939.60x = 243,600,615,431,122,354,176
  5. Step 5: Solve for x
    x = 243,600,615,431,122,354,176/13,402,675,939.60
  6. Step 6: Final answer
    x = 18,175,520,808.60

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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.