Home / 30,142,828.96-45,172,355.47-15,737,161.14

Finding the Fourth Proportional to 30,142,828.96, 45,172,355.47 and 15,737,161.14

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Solution

The fourth proportional to 30,142,828.96, 45,172,355.47 and 15,737,161.14 is: 23,583,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,142,828.96 : 45,172,355.47 = 15,737,161.14 : x
  2. Step 2: Convert to fraction form
    30,142,828.96/45,172,355.47 = 15,737,161.14/x
  3. Step 3: Cross multiply
    30,142,828.96x = 45,172,355.47 × 15,737,161.14
  4. Step 4: Simplify right side
    30,142,828.96x = 710,884,637,065,407.62
  5. Step 5: Solve for x
    x = 710,884,637,065,407.62/30,142,828.96
  6. Step 6: Final answer
    x = 23,583,872.57

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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.