Home / 30,619,377-45,921,809.94-8,759,082.24

Finding the Fourth Proportional to 30,619,377, 45,921,809.94 and 8,759,082.24

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Solution

The fourth proportional to 30,619,377, 45,921,809.94 and 8,759,082.24 is: 13,136,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619,377 : 45,921,809.94 = 8,759,082.24 : x
  2. Step 2: Convert to fraction form
    30,619,377/45,921,809.94 = 8,759,082.24/x
  3. Step 3: Cross multiply
    30,619,377x = 45,921,809.94 × 8,759,082.24
  4. Step 4: Simplify right side
    30,619,377x = 402,232,909,874,109.44
  5. Step 5: Solve for x
    x = 402,232,909,874,109.44/30,619,377
  6. Step 6: Final answer
    x = 13,136,547.81

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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.