Home / 28,393,623.40-42,590,435.10-9,225,005.80

Finding the Fourth Proportional to 28,393,623.40, 42,590,435.10 and 9,225,005.80

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Solution

The fourth proportional to 28,393,623.40, 42,590,435.10 and 9,225,005.80 is: 13,837,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393,623.40 : 42,590,435.10 = 9,225,005.80 : x
  2. Step 2: Convert to fraction form
    28,393,623.40/42,590,435.10 = 9,225,005.80/x
  3. Step 3: Cross multiply
    28,393,623.40x = 42,590,435.10 × 9,225,005.80
  4. Step 4: Simplify right side
    28,393,623.40x = 392,897,010,822,023.62
  5. Step 5: Solve for x
    x = 392,897,010,822,023.62/28,393,623.40
  6. Step 6: Final answer
    x = 13,837,508.70

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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.