Home / 30,406,564.75-45,626,451.13-12,896,398.34

Finding the Fourth Proportional to 30,406,564.75, 45,626,451.13 and 12,896,398.34

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Solution

The fourth proportional to 30,406,564.75, 45,626,451.13 and 12,896,398.34 is: 19,351,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406,564.75 : 45,626,451.13 = 12,896,398.34 : x
  2. Step 2: Convert to fraction form
    30,406,564.75/45,626,451.13 = 12,896,398.34/x
  3. Step 3: Cross multiply
    30,406,564.75x = 45,626,451.13 × 12,896,398.34
  4. Step 4: Simplify right side
    30,406,564.75x = 588,416,888,613,023.12
  5. Step 5: Solve for x
    x = 588,416,888,613,023.12/30,406,564.75
  6. Step 6: Final answer
    x = 19,351,639.80

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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.