Home / 19,701,005.80-29,551,508.70-12,103,335.40

Finding the Fourth Proportional to 19,701,005.80, 29,551,508.70 and 12,103,335.40

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Solution

The fourth proportional to 19,701,005.80, 29,551,508.70 and 12,103,335.40 is: 18,155,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701,005.80 : 29,551,508.70 = 12,103,335.40 : x
  2. Step 2: Convert to fraction form
    19,701,005.80/29,551,508.70 = 12,103,335.40/x
  3. Step 3: Cross multiply
    19,701,005.80x = 29,551,508.70 × 12,103,335.40
  4. Step 4: Simplify right side
    19,701,005.80x = 357,671,821,372,118
  5. Step 5: Solve for x
    x = 357,671,821,372,118/19,701,005.80
  6. Step 6: Final answer
    x = 18,155,003.10

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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.