Home / 30,619,356.44-45,921,779.03-8,759,061.71

Finding the Fourth Proportional to 30,619,356.44, 45,921,779.03 and 8,759,061.71

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Solution

The fourth proportional to 30,619,356.44, 45,921,779.03 and 8,759,061.71 is: 13,136,516.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619,356.44 : 45,921,779.03 = 8,759,061.71 : x
  2. Step 2: Convert to fraction form
    30,619,356.44/45,921,779.03 = 8,759,061.71/x
  3. Step 3: Cross multiply
    30,619,356.44x = 45,921,779.03 × 8,759,061.71
  4. Step 4: Simplify right side
    30,619,356.44x = 402,231,696,149,042.69
  5. Step 5: Solve for x
    x = 402,231,696,149,042.69/30,619,356.44
  6. Step 6: Final answer
    x = 13,136,516.99

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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.