Home / 30,768,437.96-42,460,572.31-16,639,624.43

Finding the Fourth Proportional to 30,768,437.96, 42,460,572.31 and 16,639,624.43

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Solution

The fourth proportional to 30,768,437.96, 42,460,572.31 and 16,639,624.43 is: 22,962,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768,437.96 : 42,460,572.31 = 16,639,624.43 : x
  2. Step 2: Convert to fraction form
    30,768,437.96/42,460,572.31 = 16,639,624.43/x
  3. Step 3: Cross multiply
    30,768,437.96x = 42,460,572.31 × 16,639,624.43
  4. Step 4: Simplify right side
    30,768,437.96x = 706,527,976,226,582.75
  5. Step 5: Solve for x
    x = 706,527,976,226,582.75/30,768,437.96
  6. Step 6: Final answer
    x = 22,962,750.89

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1.5x scale

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.