Home / 28,636,812.48-42,938,084.48-19,426,103.36

Finding the Fourth Proportional to 28,636,812.48, 42,938,084.48 and 19,426,103.36

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Solution

The fourth proportional to 28,636,812.48, 42,938,084.48 and 19,426,103.36 is: 29,127,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636,812.48 : 42,938,084.48 = 19,426,103.36 : x
  2. Step 2: Convert to fraction form
    28,636,812.48/42,938,084.48 = 19,426,103.36/x
  3. Step 3: Cross multiply
    28,636,812.48x = 42,938,084.48 × 19,426,103.36
  4. Step 4: Simplify right side
    28,636,812.48x = 834,119,667,188,891.75
  5. Step 5: Solve for x
    x = 834,119,667,188,891.75/28,636,812.48
  6. Step 6: Final answer
    x = 29,127,531.84

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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.