Home / 28,411,303.68-42,627,686.40-17,059,639.68

Finding the Fourth Proportional to 28,411,303.68, 42,627,686.40 and 17,059,639.68

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Solution

The fourth proportional to 28,411,303.68, 42,627,686.40 and 17,059,639.68 is: 25,595,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411,303.68 : 42,627,686.40 = 17,059,639.68 : x
  2. Step 2: Convert to fraction form
    28,411,303.68/42,627,686.40 = 17,059,639.68/x
  3. Step 3: Cross multiply
    28,411,303.68x = 42,627,686.40 × 17,059,639.68
  4. Step 4: Simplify right side
    28,411,303.68x = 727,212,970,376,036.38
  5. Step 5: Solve for x
    x = 727,212,970,376,036.38/28,411,303.68
  6. Step 6: Final answer
    x = 25,595,902.90

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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.