Home / 28,512,122.40-42,752,437.20-9,333,007.20

Finding the Fourth Proportional to 28,512,122.40, 42,752,437.20 and 9,333,007.20

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Solution

The fourth proportional to 28,512,122.40, 42,752,437.20 and 9,333,007.20 is: 13,994,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,122.40 : 42,752,437.20 = 9,333,007.20 : x
  2. Step 2: Convert to fraction form
    28,512,122.40/42,752,437.20 = 9,333,007.20/x
  3. Step 3: Cross multiply
    28,512,122.40x = 42,752,437.20 × 9,333,007.20
  4. Step 4: Simplify right side
    28,512,122.40x = 399,008,804,205,147.81
  5. Step 5: Solve for x
    x = 399,008,804,205,147.81/28,512,122.40
  6. Step 6: Final answer
    x = 13,994,356.46

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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.