Home / 28,188,933.60-42,283,400.40-19,095,387.60

Finding the Fourth Proportional to 28,188,933.60, 42,283,400.40 and 19,095,387.60

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Solution

The fourth proportional to 28,188,933.60, 42,283,400.40 and 19,095,387.60 is: 28,643,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,933.60 : 42,283,400.40 = 19,095,387.60 : x
  2. Step 2: Convert to fraction form
    28,188,933.60/42,283,400.40 = 19,095,387.60/x
  3. Step 3: Cross multiply
    28,188,933.60x = 42,283,400.40 × 19,095,387.60
  4. Step 4: Simplify right side
    28,188,933.60x = 807,417,919,683,995.12
  5. Step 5: Solve for x
    x = 807,417,919,683,995.12/28,188,933.60
  6. Step 6: Final answer
    x = 28,643,081.40

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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.