Home / 30,821,814.96-42,534,417.24-18,596,310

Finding the Fourth Proportional to 30,821,814.96, 42,534,417.24 and 18,596,310

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Solution

The fourth proportional to 30,821,814.96, 42,534,417.24 and 18,596,310 is: 25,663,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821,814.96 : 42,534,417.24 = 18,596,310 : x
  2. Step 2: Convert to fraction form
    30,821,814.96/42,534,417.24 = 18,596,310/x
  3. Step 3: Cross multiply
    30,821,814.96x = 42,534,417.24 × 18,596,310
  4. Step 4: Simplify right side
    30,821,814.96x = 790,983,208,664,384.50
  5. Step 5: Solve for x
    x = 790,983,208,664,384.50/30,821,814.96
  6. Step 6: Final answer
    x = 25,663,096.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.