Home / 28,512,155.40-42,752,486.70-9,333,040.20

Finding the Fourth Proportional to 28,512,155.40, 42,752,486.70 and 9,333,040.20

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Solution

The fourth proportional to 28,512,155.40, 42,752,486.70 and 9,333,040.20 is: 13,994,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,155.40 : 42,752,486.70 = 9,333,040.20 : x
  2. Step 2: Convert to fraction form
    28,512,155.40/42,752,486.70 = 9,333,040.20/x
  3. Step 3: Cross multiply
    28,512,155.40x = 42,752,486.70 × 9,333,040.20
  4. Step 4: Simplify right side
    28,512,155.40x = 399,010,677,021,065.31
  5. Step 5: Solve for x
    x = 399,010,677,021,065.31/28,512,155.40
  6. Step 6: Final answer
    x = 13,994,405.94

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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.