Home / 30,229,743.62-45,335,830.65-11,781,582.78

Finding the Fourth Proportional to 30,229,743.62, 45,335,830.65 and 11,781,582.78

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Solution

The fourth proportional to 30,229,743.62, 45,335,830.65 and 11,781,582.78 is: 17,668,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229,743.62 : 45,335,830.65 = 11,781,582.78 : x
  2. Step 2: Convert to fraction form
    30,229,743.62/45,335,830.65 = 11,781,582.78/x
  3. Step 3: Cross multiply
    30,229,743.62x = 45,335,830.65 × 11,781,582.78
  4. Step 4: Simplify right side
    30,229,743.62x = 534,127,841,703,036.19
  5. Step 5: Solve for x
    x = 534,127,841,703,036.19/30,229,743.62
  6. Step 6: Final answer
    x = 17,668,950.44

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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.