Home / 28,371,398.40-42,557,097.60-11,334,700.80

Finding the Fourth Proportional to 28,371,398.40, 42,557,097.60 and 11,334,700.80

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Solution

The fourth proportional to 28,371,398.40, 42,557,097.60 and 11,334,700.80 is: 17,002,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,398.40 : 42,557,097.60 = 11,334,700.80 : x
  2. Step 2: Convert to fraction form
    28,371,398.40/42,557,097.60 = 11,334,700.80/x
  3. Step 3: Cross multiply
    28,371,398.40x = 42,557,097.60 × 11,334,700.80
  4. Step 4: Simplify right side
    28,371,398.40x = 482,371,968,212,398.12
  5. Step 5: Solve for x
    x = 482,371,968,212,398.12/28,371,398.40
  6. Step 6: Final answer
    x = 17,002,051.20

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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.